Merge r1544820 from trunk:

mod_lua: Fix compiler warning by using correct
APR_SIZE_T_FMT and APR_OFF_T_FMT format macro
in debug logging.

Submitted by: rjung
Reviewed/backported by: jim

NOTE: Not sure about CHANGES... is there a BUGZ on this?
In general, CHANGES is for userland visible changes or
BUGZ bug fixes, and not sure if this really applies
here. But it's OK if someone wants to add something
to CHANGES.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1546976 13f79535-47bb-0310-9956-ffa450edef68