Cleanup unused READ_RECORD::forms

sql/records.cc

@@ -194,7 +194,6 @@ bool init_read_record(READ_RECORD *info,THD *thd, TABLE *table,
   bzero((char*) info,sizeof(*info));
   info->thd=thd;
   info->table=table;
-  info->forms= &info->table;		/* Only one table */
   info->addon_field= addon_field;
   
   if ((table->s->tmp_table == INTERNAL_TMP_TABLE ||

sql/records.h

@@ -52,8 +52,6 @@ struct READ_RECORD
   typedef int (*Setup_func)(struct st_join_table*);
 
   TABLE *table;                                 /* Head-form */
-  //handler *file;
-  TABLE **forms;                                /* head and ref forms */
   Unlock_row_func unlock_row;
   Read_func read_record_func;
   THD *thd;

sql/sql_window.h

@@ -18,7 +18,6 @@
 #define SQL_WINDOW_INCLUDED
 
 #include "filesort.h"
-#include "records.h"
 
 class Item_window_func;