Makefile.in (stmp-fixinc): If we're actually fixing include files...

Makefile.in (stmp-fixinc): If we're actually fixing include files...

a
	* Makefile.in (stmp-fixinc): If we're actually fixing include
	files, copy gcc's assert.h into the fixed include dir.
	* fixincludes (assert.h): Avoid any attempts to fix a probably
	broken system specific assert.h file.
	* fixproto (stdlib.h): Make sure, it'll contain a definition of
	size_t.

From-SVN: r18852