- Added Gatling Fever's batk bonus.
- Some cleaning in status_damage which should prevent trying to free already free'd pointers when unit_remove_map invokes unit_free (when status_damage was going to invoke unit_free anyway)
git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@8308 54d463be-8e91-2dee-dedb-b68131a5f0ec