* Makefile.tpl (clean-target-libgcc): Invoke clean-target-libgcc

	from the gcc build directory.
	* Makefile.in: Regenerate.
gcc/
	* Makefile.in (clean-target): Depend on clean-target-libgcc.
	(clean-target-libgcc): Import rule from the top-level Makefile.in.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@107668 138bc75d-0d04-0410-961f-82ee72b054a4