c-opts.c (finish_options): Change to returns boolean - false iff the call to...

c-opts.c (finish_options): Change to returns boolean - false iff the call to cpp_find_main_file fails.


	* c-opts.c (finish_options):  Change to returns boolean - false iff
	the call to cpp_find_main_file fails.
	(c_common_init):  Skip preprocess_file if finish_options failed.
	(c_common_parse_file):  Break if finish_options failed.

From-SVN: r73170