changes.

The trunk patches for these all have some configuration breakage
as 2.4.x interprets the individual directive or API parameter as
relative to ServerRoot whereas trunk interprets everything
relative to DefaultRuntimeDir.


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Merge r1361153 from trunk:

* Set content type in case we return stale content.
Submitted by: rpluem
Reviewed/backported by: jim


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initialize the protocol field when manufacturing an apr socket
lest accidential autodata contents leak into the apr_socket_t

(this doesn't address any known problem symptom)

Submitted by: trawick
Reviewed/backported by: jim


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Windows: Fix SSL failures on windows with AcceptFilter https none.

The now-stray apr_socket_opt_set(APR_SO_NONBLOCK=On) call was 
originally added with r327872.  The call was harmless on Unix
due to APR's use of non-blocking sockets when implementing timeouts
on that platform, but harmful on Windows since it collided with
APR's different implementation of timeouts on that platform.

PR: 52476

Submitted by: trawick
Reviewed/backported by: jim


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mod_lbmethod_heartbeat, mod_heartmonitor: Respect DefaultRuntimeDir/
DEFAULT_REL_RUNTIMEDIR for the heartbeat storage file.


core: Respect DefaultRuntimeDir/DEFAULT_REL_RUNTIMEDIR for the
scoreboard (ScoreBoardFile).


The Pidfile directive and ap_log_pid()/ap_remove_pid()/ap_read_pid()
now respect DefaultRuntimeDir


Mutex directive: finish support of DefaultRuntimeDir

a partial conversion was made in r1299718, but I'm not
sure when that change is effective


mod_socache_shmcb and mod_socache_dbm: finish support of
DefaultRuntimeDir

a partial conversion was made in r1299718, affecting cases
where no filename was specified


mod_slotmem_plain: make the "filename" key relative to
DefaultRuntimeDir if not absolute

mod_slotmem_plain does not externalize or check the full path
in any way, so this change is just for consistency with other
modules which build paths to run-time artifacts.


make LDAPSharedCacheFile relative to DefaultRuntimeDir

Submitted by: trawick
Reviewed/backported by: jim


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Various code clean up

Submitted by: Christophe JAILLET <christophe jaillet wanadoo fr>
PR: 52893 

Submitted by: sf
Reviewed/backported by: jim


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Correctly log the error returned by apr_dbd_pvselect()

Submitted by: sf
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1373087 13f79535-47bb-0310-9956-ffa450edef68

Apache does not tolerate deliberate abuse of open standards

Submitted by: fielding
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1373085 13f79535-47bb-0310-9956-ffa450edef68

When -B is specified, search for a host address in the
same family as the specified outbound interface.  If 
impossible, fail at name resolution instead of bind().


ab: Fix read failure when targeting SSL server.

Submitted by: trawick
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1373084 13f79535-47bb-0310-9956-ffa450edef68

mod_auth_digest now respects DefaultRuntimeDir
Submitted by: trawick
Reviewed/backported by: jim


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Also switch to the non-deprecated APR_FOPEN_* flags.
PR: 45923

Backport of r1369618 from trunk.

Submitted by: sf
Reviewed by: rjung, trawick, humbedooh
Backported by: rjung


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logs the physical address it listens on instead of hostname|*.

Backport of r1364138 from trunk.

Submitted by: trawick
Reviewed by: rjung, humbedooh
Backported by: rjung


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1372370 13f79535-47bb-0310-9956-ffa450edef68

Backport of r1369904 from trunk.

Submitted by: trawick
Reviewed by: rjung, humbedooh
Backported by: rjung


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Also add the revision numbers related to DefaultRuntimeDir.


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CTR

Backport of r1368131 from trunk.


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of bytes flushed, it returns 0 on success, -1 on error.

Should be CTR.

Backport of rr1368393 and r1368396 from trunk.


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