*: use "can't" instead of "cannot"

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/util-linux/volume_id/volume_id.c b/util-linux/volume_id/volume_id.c
index 4826c2e..c8cf946 100644
--- a/util-linux/volume_id/volume_id.c
+++ b/util-linux/volume_id/volume_id.c
@@ -223,7 +223,7 @@
 	/* create temporary node to open block device */
 	unlink(tmp_node);
 	if (mknod(tmp_node, (S_IFBLK | 0600), devt) != 0)
-		bb_perror_msg_and_die("cannot mknod(%s)", tmp_node);
+		bb_perror_msg_and_die("can't mknod(%s)", tmp_node);
 
 	id = volume_id_open_node(tmp_node);
 	unlink(tmp_node);