* config.sub: Ditto.
* include/winnt.h: Allow anonymous struct in [U]LARGE_INTEGER
if __cplusplus as well as if _ANONYMOUS_STRUCT.
* config.guess: Add the MSYS system.
* config.sub: Ditto.
* include/winsock.h: Add the __INSIDE_MSYS__ protections.
* incldue/winsock2.h: Ditto.
bindist targets to be more standard.
* config.guess: Update with the currently published file.
* config.sub: ditto.
* configure.in: Use value of build_alias instead of testing for
directory names to set BUILDENV.
* configure: ditto.
* lib/Makefile.in: Change the name of the targets install,
install-headers and install-libraries to xinstall, xinstall-headers
and xinstall-libraries for system target specified installation.
Recreate targets install, install-headers and install-libraries for
exec-prefix specified installation. Ditto for the uninstall targets of
the same name.
