Compile locale-inst.cc and wlocale-inst.cc as C++11.

Compile locale-inst.cc and wlocale-inst.cc as C++11.

	PR libstdc++/64389
	* src/c++11/Makefile.am: Add locale-inst.cc and wlocale-inst.cc.
	* src/c++11/Makefile.in: Regenerate.
	* src/c++11/locale-inst.cc: Move from src/c++98/.
	* src/c++11/wlocale-inst.cc: Likewise.
	* src/c++11/cxx11-locale-inst.cc: Adjust path to locale-inst.cc.
	* src/c++11/string-inst.cc: Remove time_get instantiations.
	* src/c++98/Makefile.am: Remove locale-inst.cc and wlocale-inst.cc.
	* src/c++98/Makefile.in: Regenerate.
	* src/c++98/locale-inst.cc: Move to src/c++11/.
	* src/c++98/wlocale-inst.cc: Likewise.

From-SVN: r219050