re PR preprocessor/15067 (Minor glitch in the source of cpp.)

	* cppinit.c (cpp_read_main_file):  Return NULL rather than false.
	Fixes PR preprocessor/15067.

From-SVN: r81068

gcc/ChangeLog

+2004-04-22  Per Bothner  <per@bothner.com>
+
+	* cppinit.c (cpp_read_main_file):  Return NULL rather than false.
+	Fixes PR preprocessor/15067.
+
 2004-04-23  Andreas Schwab  <schwab@suse.de>
 
 	* config/ia64/ia64intrin.h: Add intermediate cast to void * to

gcc/cppinit.c

@@ -471,7 +471,7 @@ cpp_read_main_file (cpp_reader *pfile, const char *fname)
   pfile->main_file
     = _cpp_find_file (pfile, fname, &pfile->no_search_path, false);
   if (_cpp_find_failed (pfile->main_file))
-    return false;
+    return NULL;
 
   _cpp_stack_file (pfile, pfile->main_file, false);