charged sql/sql_db.cc only
(
changed length in mysql_create_db to path_len
so as it was calculated in the first unpack_dirname
in my previous fix for Bug #4378
'"create database IF NOT EXISTS thing" returns an error'
)


sql/sql_db.cc:
  manual merge 
  (
  changed length in mysql_create_db to path_len
  so as it was calculated in the first unpack_dirname
  in my previous fix for Bug #4378
  '"create database IF NOT EXISTS thing" returns an error'
  )