Don't segfault in FS_CreatePath when there are no path seperators

code/qcommon/files.c

@@ -533,7 +533,9 @@ qboolean FS_CreatePath (char *OSPath) {
 
 	// Skip creation of the root directory as it will always be there
 	ofs = strchr( path, PATH_SEP );
-	ofs++;
+	if ( ofs != NULL ) {
+		ofs++;
+	}
 
 	for (; ofs != NULL && *ofs ; ofs++) {
 		if (*ofs == PATH_SEP) {