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

263 bytes saved.

util-linux/mount.c

@@ -1655,7 +1655,7 @@ int mount_main(int argc, char **argv)
 	 && (i & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
 	) {
 		rc = mount("", argv[0], "", i, "");
-		if (rc) bb_perror_msg_and_die("%s", argv[0]);
+		if (rc) bb_simple_perror_msg_and_die(argv[0]);
 		goto clean_up;
 	}
 

util-linux/setarch.c

@@ -44,5 +44,5 @@ retry:
 		BB_EXECVP(argv[0], argv);
 	}
 
-	bb_perror_msg_and_die("%s", argv[0]);
+	bb_simple_perror_msg_and_die(argv[0]);
 }

util-linux/swaponoff.c

@@ -31,7 +31,7 @@ static int swap_enable_disable(char *device)
 		status = swapoff(device);
 
 	if (status != 0) {
-		bb_perror_msg("%s", device);
+		bb_simple_perror_msg(device);
 		return 1;
 	}