ADDED: Null check for m_caster->m_mapMgr in Spell::SpellTargetSingleFriend (crashfix)
ADDED: Null check for m_caster->m_mapMgr in Spell::SpellTargetSingleFriend (crashfix)

JoMiro/arcemu,lbfamous/arcemu,arcemu-ng/arcemu,sysuzhang/arcemu,arcemu/arcemu,lbfamous/arcemu,arcemu/arcemu,dberga/arcbliz,JoMiro/arcemu,JoMiro/arcemu,arcemu-ng/arcemu,dberga/arcbliz,arcemu-ng/arcemu,lbfamous/arcemu,sysuzhang/arcemu,JoMiro/arcemu,arcemu-ng/arcemu,JoMiro/arcemu,arcemu/arcemu,dberga/arcbliz,arcemu-ng/arcemu,lbfamous/arcemu,arcemu/arcemu,arcemu-ng/arcemu,arcemu/arcemu,dberga/arcbliz,sysuzhang/arcemu,arcemu/arcemu,sysuzhang/arcemu,lbfamous/arcemu,dberga/arcbliz,JoMiro/arcemu,sysuzhang/arcemu,sysuzhang/arcemu,lbfamous/arcemu