SQL: revert unnecessary change

Related to VIEW fix #4 (8e12edb)

Author: vuvova

sql/item_timefunc.cc

@@ -1687,15 +1687,6 @@ void Item_func_curtime_utc::store_now_in_TIME(THD *thd, MYSQL_TIME *now_time)
  */
 }
 
-
-Item_func_now::Item_func_now(THD *thd, uint dec) :
- Item_datetimefunc(thd, new (thd->mem_root) Item_decimal(thd, dec, TRUE)),
- last_query_id(0)
-{
- decimals= dec;
-}
-
-
 bool Item_func_now::fix_fields(THD *thd, Item **items)
 {
  if (decimals > TIME_SECOND_PART_DIGITS)

sql/item_timefunc.h

@@ -746,7 +746,8 @@ class Item_func_now :public Item_datetimefunc
  MYSQL_TIME ltime;
  query_id_t last_query_id;
 public:
- Item_func_now(THD *thd, uint dec);
+ Item_func_now(THD *thd, uint dec): Item_datetimefunc(thd), last_query_id(0)
+ { decimals= dec; }
  bool fix_fields(THD *, Item **);
  void fix_length_and_dec() { fix_attributes_datetime(decimals); }
  bool get_date(MYSQL_TIME *res, ulonglong fuzzy_date);