libgcc/

libgcc/
	* Makefile.in (install-unwind_h): Rename into ...
	(install-unwind_h-forbuild): New target.
	(all): Use it instead of the former install-unwind_h.
	(install-unwind_h): Reinstate, copy to user install destination
	for include files, not to the internal gcc object directory one.
	(install-leaf): Depend on it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@187600 138bc75d-0d04-0410-961f-82ee72b054a4