PR target/16286

	* config/rs6000/altivec.h: Replace bool by __bool and pixel by
	__pixel.

testsuite:
	* gcc.dg/pr16286.c: Also test for bool and pixel.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@90194 138bc75d-0d04-0410-961f-82ee72b054a4