Fixed Bug#8469
-http://hercules.ws/board/tracker/issue-8469-issue417-refine-weapon-may-caused-server-to-crash/?gopid=24287#entry24287

Signed-off-by: malufett <malufett.eat.my.binaries@gmail.com>
Merge branch 'master' of https://github.com/HerculesWS/Hercules
Allow use constants in item_db.conf for int fields.