* configure.ac: Revert 2005-03-25's patch. Propagate MULTIlib

settings to sub Makefiles.
(GCJH, ZIP): Prefix with top_builddir.
* configure: Rebuild.
* external/w3c_dom/Makefile.am (MULTIBUILDTOP): Don't override.
* external/w3c_dom/Makefile.in: Rebuild.
* external/sax/Makefile.am (MULTIBUILDTOP): Don't override.
* external/sax/Makefile.in: Rebuild.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97139 138bc75d-0d04-0410-961f-82ee72b054a4