Fix compiler error.

sql/sql_parse.cc

@@ -3669,7 +3669,6 @@ mysql_execute_command(THD *thd)
                MYF(0)); /* purecov: inspected */
     goto error;
 #else
-    {
       WSREP_SYNC_WAIT(thd, WSREP_SYNC_WAIT_BEFORE_SHOW);
 
      /*
@@ -3892,7 +3891,6 @@ mysql_execute_command(THD *thd)
       DBUG_PRINT("debug", ("Just after generate_incident()"));
     }
 #endif
-  }
   /* fall through */
   case SQLCOM_INSERT:
   {