mysql-test/r/rpl_temporary.result:
  result update
mysql-test/t/rpl_temporary.test:
  test that PSEUDO_THREAD_ID now requires SUPER.
sql/set_var.cc:
  Class for pseudo_thread_id (it used to be sys_var_thd_ulong, but we 
  decided to require the SUPER privilege so we needed a check() function,
  which sys_var_thd_ulong does not feature (check() is virtual in sys_var
  and in sys_var_thd_ulong too).
sql/set_var.h:
  Class for pseudo_thread_id