-Fix bugreport:7298 where exp affected by level_penalty wasn't affecting self but next party member as well. 
-Follow up r17161 (fix windows undefined type, bugreport:7305

git-svn-id: https://rathena.svn.sourceforge.net/svnroot/rathena/trunk@17162 54d463be-8e91-2dee-dedb-b68131a5f0ec