=== modified file 'storage/myisam/myisamchk.c'
--- storage/myisam/myisamchk.c	2013-02-26 06:21:48 +0000
+++ storage/myisam/myisamchk.c	2013-05-01 22:55:40 +0000
@@ -1029,8 +1029,10 @@
 	  */
 	  my_bool update_index=1;
 	  for (key=0 ; key < share->base.keys; key++)
-	    if (share->keyinfo[key].flag & (HA_BINARY_PACK_KEY|HA_FULLTEXT))
+	    if (share->keyinfo[key].flag & (HA_BINARY_PACK_KEY|HA_FULLTEXT)) {
 	      update_index=0;
+	      break;
+	    }
 
 	  error=mi_sort_records(param,info,filename,param->opt_sort_key,
                              /* what is the following parameter for ? */