into  moonlight.intranet:/home/tomash/src/mysql_ab/mysql-5.0-bug21354


mysql-test/t/func_gconcat.test:
  Auto merged
sql/item_sum.cc:
  Auto merged
mysql-test/r/ps.result:
  Manual merge.
mysql-test/t/ps.test:
  Manual merge.
sql/item_sum.h:
  Manual merge.