Merge pull request #1045 from pdebski21/1024

fix for issue #1024 - mismatch metadata error msg

casadm/extended_err_msg.c

@@ -154,6 +154,10 @@ struct {
 		" option or use --force to\n discard on-disk metadata and"
 		" start fresh cache instance.\n"
 	},
+	{
+		OCF_ERR_SUPERBLOCK_MISMATCH,
+		"Metadata on the device doesn't match with metadata in DRAM"
+	},
 	{
 		OCF_ERR_CACHE_NAME_MISMATCH,
 		"Cache id specified by user and loaded from metadata are different"