touch: don't segfault when unable to touch

apps/touch.c

@@ -22,6 +22,7 @@ int main(int argc, char * argv[]) {
 		if (!f) {
 			fprintf(stderr, "%s: %s: %s\n", argv[0], argv[i], strerror(errno));
 			out = 1;
+			continue;
 		}
 		fclose(f);
 	}