contrib: Fix verifyi typo in alembic DB script ps_transport table.

Reported by: Zogot (on IRC)
Patches:
  tmp.diff uploaded by Zogot, cleaned up by me.
........

Merged revisions 423128 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/13@423129 f38db490-d61c-443f-a65b-d21fe96a405b