'simple' error message functions by Loic Grenie <loic.grenie@gmail.com>.

263 bytes saved.

miscutils/mountpoint.c

@@ -61,6 +61,6 @@ int mountpoint_main(int argc, char **argv)
 		}
 	}
 	if (!(opt & OPT_q))
-		bb_perror_msg("%s", arg);
+		bb_simple_perror_msg(arg);
 	return EXIT_FAILURE;
 }