- Changed around a bit the code of the skill_get defines to return 0 if you ask for an id of the place where the guild skills are placed. Also moved the guild skills block to ID 900~915. Also stuff like skill_get_inf will return the relevant guild data as defined on skill_db.txt
git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@5465 54d463be-8e91-2dee-dedb-b68131a5f0ec