tunctl: code shrink

function                                             old     new   delta
.rodata                                           105246  105243      -3
tunctl_main                                          349     344      -5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-8)               Total: -8 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

networking/tunctl.c

@@ -124,8 +124,7 @@ int tunctl_main(int argc UNUSED_PARAM, char **argv)
 	if (opts & OPT_b) {
 		puts(ifr.ifr_name);
 	} else {
-		printf("Set '%s' %spersistent", ifr.ifr_name, "");
-		printf(" and owned by uid %ld", user);
+		printf("Set '%s' persistent and owned by uid %ld", ifr.ifr_name, user);
 		if (group != -1)
 			printf(" gid %ld", group);
 		bb_putchar('\n');