obligatory update checksum on repair, if it is obligatory verified on check.

myisam/mi_check.c

@@ -1153,6 +1153,9 @@ int mi_repair(MI_CHECK *param, register MI_INFO *info,
   }
   param->testflag|=T_REP; /* for easy checking */
 
+  if (info->s->options & (HA_OPTION_CHECKSUM | HA_OPTION_COMPRESS_RECORD))
+    param->testflag|=T_CALC_CHECKSUM;
+
   if (!param->using_global_keycache)
     VOID(init_key_cache(param->use_buffers));
 
@@ -1820,6 +1823,9 @@ int mi_repair_by_sort(MI_CHECK *param, register MI_INFO *info,
   }
   param->testflag|=T_REP; /* for easy checking */
 
+  if (info->s->options & (HA_OPTION_CHECKSUM | HA_OPTION_COMPRESS_RECORD))
+    param->testflag|=T_CALC_CHECKSUM;
+
   bzero((char*)&sort_info,sizeof(sort_info));
   bzero((char *)&sort_param, sizeof(sort_param));
   if (!(sort_info.key_block=
@@ -2189,6 +2195,9 @@ int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
   }
   param->testflag|=T_REP; /* for easy checking */
 
+  if (info->s->options & (HA_OPTION_CHECKSUM | HA_OPTION_COMPRESS_RECORD))
+    param->testflag|=T_CALC_CHECKSUM;
+
   bzero((char*)&sort_info,sizeof(sort_info));
   if (!(sort_info.key_block=
 	alloc_key_blocks(param,