- Removed unmaintained grfio library copy and made the tool use the one in /common instead (related r12726). - Updated makefile to use compile options/libraries determined by configure (bugreport:1109). - Fixed error messages from the tool and grfio library overlapping each other (bugreport:2403). git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@14646 54d463be-8e91-2dee-dedb-b68131a5f0ec