supporting configure's --disable-largefile option for WIN32 targets also.
Non-configure systems which do not use config-win32.h configuration file,
and want to use the WIN32 file API, must define USE_WIN32_LARGE_FILES or
USE_WIN32_SMALL_FILES as appropriate in their own configuration files.

- Logic based on CURL_SIZEOF_CURL_OFF_T and SIZEOF_OFF_T already adjusted.
- Test case 557 already passes on all autobuilds.
- System off_t, or equivalent, size is finally not recorded in curlbuild.h
  for this release. SIZEOF_OFF_T from config file is used.

Adapting OS400 build scripts to new features: new curlbuild.h file and soname in VERSION --> VERSIONINFO

used to get built < 7.19.0 so we enforce an soname bump and display a warning

the name of the curl_off_t data type used now becomes CURL_TYPEOF_CURL_OFF_T

CURL_OFF_T -> CURL_TYPEOF_CURL_OFF_T

x_typeof -> curl_typeof_curl_off_t
x_sizeof -> curl_sizeof_curl_off_t
x_format -> curl_format_curl_off_t
u_format -> curl_format_curl_off_tu

The effective result of this commit is revision 1.72 plus two changed lines. These
can be viewed in http://cool.haxx.se/cvs.cgi/curl/lib/mprintf.c.diff?r1=1.72&r2=1.77

  CURLOPT_FAILONERROR with FTP to detect if a file exists or not, but it is
  not working: http://curl.haxx.se/mail/lib-2008-07/0295.html

an SONAME bump.

This error did not cause test failures on systems where sizeof(int) == sizeof(long).

  firefox-db2pem.sh conversion script that converts a local Firefox db of ca
  certs into PEM format, suitable for use with a OpenSSL or GnuTLS built
  libcurl.

  interface, and the proxy would send Connection: close during the
  authentication phase.  http://curl.haxx.se/bug/view.cgi?id=2069047

< 7.19.0 to >= 7.19.x

been killed.

which caused an error when the second header was dumped due to stdout
being closed.  Added test case 1066 to verify.  Also fixed a potential
problem where a closed file descriptor might be used for an upload
when more than one URL is given.