[PATCH, libstdc++] Make abi_check multilib-aware

[Adam Nemet]

Benjamin Kosnik writes:
> > 	* testsuite/libstdc++-abi/abi.exp: Add multilib support.
> > 	* acinclude.m4 (GLIBCXX_CONFIGURE_TESTSUITE): Remove
> > MULTISUBDIR from baseline_dir.
> > 	* configure: Regenerate.
> > 	* testsuite/Makefile.am (baseline_file): Remove variable.
> > 	(site.exp): Set baseline_dir rather than baseline_file.
> > 	(check-abi): Pass AM_RUNTESTFLAGS and RUNTESTFLAGS to runtest.
> > 	* testsuite/Makefile.in: Regenerate.
> 
> This is ok, thanks.

Thanks, committed as r144394.

Note that this could cause new abi_check failures on other targets since
multilibs are now tested properly.

Adam