(wrong error code) but I'll push it so that Sergei could clean up
 my merge


include/mysqld_error.h:
  fixed typo
mysql-test/r/order_by.result:
  updated result for merged test
sql/Makefile.am:
  put back sql_union.cc lost during merge
sql/mysql_priv.h:
  restored variables lost in the merge
sql/mysqld.cc:
  put back lost variable declarations
sql/share/czech/errmsg.txt:
  merge fix
sql/share/danish/errmsg.txt:
  merge fix
sql/share/dutch/errmsg.txt:
  merge fix
sql/share/english/errmsg.txt:
  merge fix
sql/share/estonian/errmsg.txt:
  merge fix
sql/share/french/errmsg.txt:
  merge fix
sql/share/german/errmsg.txt:
  merge fix
sql/share/greek/errmsg.txt:
  merge fix
sql/share/hungarian/errmsg.txt:
  merge fix
sql/share/italian/errmsg.txt:
  merge fix
sql/share/japanese/errmsg.txt:
  merge fix
sql/share/korean/errmsg.txt:
  merge fix
sql/share/norwegian-ny/errmsg.txt:
  merge fix
sql/share/norwegian/errmsg.txt:
  merge fix
sql/share/polish/errmsg.txt:
  merge fix
sql/share/portuguese/errmsg.txt:
  merge fix
sql/share/romanian/errmsg.txt:
  merge fix
sql/share/russian/errmsg.txt:
  merge fix
sql/share/slovak/errmsg.txt:
  merge fix
sql/share/spanish/errmsg.txt:
  merge fix
sql/share/swedish/errmsg.txt:
  merge fix
sql/sql_acl.cc:
  merge fix