cleanup: reduce indentation of end_send

Reorder end_send to exit via return instead of large if-else block.

sql/sql_select.cc

@@ -21943,8 +21943,7 @@ join_read_next_same_or_null(READ_RECORD *info)
 
 /* ARGSUSED */
 static enum_nested_loop_state
-end_send(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
-	 bool end_of_records)
+end_send(JOIN *join, JOIN_TAB *join_tab, bool end_of_records)
 {
   DBUG_ENTER("end_send");
   /*
@@ -21956,8 +21955,13 @@ end_send(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
   //TODO pass fields via argument
   List<Item> *fields= join_tab ? (join_tab-1)->fields : join->fields;
 
-  if (!end_of_records)
+  if (end_of_records)
   {
+    if (join->procedure && join->procedure->end_of_records())
+      DBUG_RETURN(NESTED_LOOP_ERROR);
+    DBUG_RETURN(NESTED_LOOP_OK);
+  }
+
   if (join->table_count &&
       join->join_tab->is_using_loose_index_scan())
   {
@@ -22049,12 +22053,6 @@ end_send(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
     */
     DBUG_RETURN(NESTED_LOOP_CURSOR_LIMIT);
   }
-  }
-  else
-  {
-    if (join->procedure && join->procedure->end_of_records())
-      DBUG_RETURN(NESTED_LOOP_ERROR);
-  }
   DBUG_RETURN(NESTED_LOOP_OK);
 }
 
@@ -22069,8 +22067,7 @@ end_send(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
 */
 
 enum_nested_loop_state
-end_send_group(JOIN *join, JOIN_TAB *join_tab __attribute__((unused)),
-	       bool end_of_records)
+end_send_group(JOIN *join, JOIN_TAB *join_tab, bool end_of_records)
 {
   int idx= -1;
   enum_nested_loop_state ok_code= NESTED_LOOP_OK;