Fixed a bug causing a crash when clicking an empty inv slot
Fixed a bug causing a crash when clicking an empty inv slot

BlueManiac/PoESkillTreeSource,PoESkillTree/PoESkillTree,brather1ng/PoESkillTree,MLanghof/PoESkillTree,Yskuma/PoESkillTree,l0g0sys/PoESkillTree,EmmittJ/PoESkillTree,mihailim/PoESkillTree,nikibobi/PoESkillTree