Added missing values for G_MAXU(SHORT|INT|LONG) on platforms with only

Added missing values for G_MAXU(SHORT|INT|LONG) on platforms with only

1999-03-17  Sebastian Wilhelmi  <wilhelmi@ira.uka.de>

	* configure.in: Added missing values for G_MAXU(SHORT|INT|LONG) on
	platforms with only /usr/include/values.h.

	* acconfig.h: Removed unnecessary macros.

        * glibconfig.h.win32, config.h.win32: Moved G_THREADS_IMPL_POSIX
	from config.h.win32 to glibconfig.h.win32. Taken from glib 1.2
	branch.

	* configure.in: Also accept _Pctime_r instead of ctime_r, while
	seraching for the right `_REENTRANT' flag. This is for Digital
	UNIX 4.0d. Taken from glib 1.2 branch.