* Makefile.in <LIBUNWIND>: Make libgcc_s.so depend on libunwind.so.
	(libgcc_s.so): Append -B./ to CFLAGS for $(SHLIB_LINK).
	(libunwind.so): Likewise for $(SHLIBUNWIND_LINK).


Co-Authored-By: Daniel Jacobowitz <dan@codesourcery.com>

From-SVN: r121601