* darwin-c.c (darwin_pragma_options): Const-ify.
	* darwin.c (machopic_non_lazy_ptr_name,
	machopic_validate_stub_or_non_lazy_ptr): Likewise.
	(machopic_indirect_data_reference): Wrap variables in macros
	controlling their use.
	(machopic_finish, update_non_lazy_ptrs, update_stubs): Const-ify.
	(machopic_select_section): Use parentheses around && within ||.
	* i386/darwin.h (ASM_OUTPUT_ALIGN): Avoid ambiguous-else.

From-SVN: r56211