fixed layout


BitKeeper/etc/ignore:
  Added stamp-h2 stamp-h3 stamp-h4 to the ignore list
mysql-test/r/row.result:
  test of row with group function
mysql-test/t/row.test:
  test of row with group function
sql/item_cmpfunc.cc:
  added braces according review
sql/item_func.cc:
  fixed layout
sql/item_row.cc:
  fixed row item
sql/item_row.h:
  fixed row items with group functions