PR libstdc++/13583
	* include/bits/locale_classes.h (locale::_Impl::_M_install_cache):
	Move out of line.
	* src/locale.cc: Define here, add mutex.
	* configure.ac (libtool_VERSION): To 6:7:0.
	* configure: Regenerate.
	* testsuite/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.7.
	* config/linker-map.gnu: Export locale::_Impl::_M_install_cache.

From-SVN: r105221