*: merge some common strings

   text   data    bss    dec    hexfilename
 838650   8009      0 846659  ceb43busybox_old
 838519   8009      0 846528  ceac0busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 3cee3a6..b0efd98 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -340,7 +340,7 @@
 
 			if (!delete && major >= 0) {
 				if (mknod(node_name, mode | type, makedev(major, minor)) && errno != EEXIST)
-					bb_perror_msg("can't create %s", node_name);
+					bb_perror_msg("can't create '%s'", node_name);
 				if (major == G.root_major && minor == G.root_minor)
 					symlink(node_name, "root");
 				if (ENABLE_FEATURE_MDEV_CONF) {