* pretty-print.c: Don't include ggc.h.

	* pretty-print.c: Don't include ggc.h.
	(identifier_to_locale_alloc, identifier_to_locale_free): Define.
	(identifier_to_locale): Use them for allocation.
	* pretty-print.h (identifier_to_locale_alloc,
	identifier_to_locale_free): Declare.
	* toplev.c (alloc_for_identifier_to_locale): New.
	(general_init): Set identifier_to_locale_alloc and
	identifier_to_locale_free.
	* Makefile.in (pretty-print.o): Update dependencies.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159898 138bc75d-0d04-0410-961f-82ee72b054a4