Fixed place skills to target the caster when it should not.
Related mainly to dance skills and quagmire. Thanks again to playtester for showing me how to reproduce it and test the fix afterwards.

Related bugreports:
bugreport:7221
bugreport:6686

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@17223 54d463be-8e91-2dee-dedb-b68131a5f0ec