* sysdep/powerpc/locks.h: Use 64-bit versions of primitives when

	__LP64__ is defined rather than __powerpc64__.
	(compare_and_swap): 'ret' is an obj_addr_t not just an int.
	(compare_and_swap_release): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104746 138bc75d-0d04-0410-961f-82ee72b054a4