* cppinit.c (sort_options): Remove, put functionality in
	cpp_init.
	(cpp_init): New.
	(initialize_builtins): Free memory.
	(cpp_start_read): Move init_IStable to cpp_init.

	* cpplib.h (cpp_init): New prototype.
	* cppmain.c (main): Call cpp_init.

From-SVN: r35763