remove global variable

gframe/deck_con.cpp

@@ -339,7 +339,7 @@ bool DeckBuilder::OnEvent(const irr::SEvent& event) {
 	case irr::EET_MOUSE_INPUT_EVENT: {
 		switch(event.MouseInput.Event) {
 		case irr::EMIE_LMOUSE_PRESSED_DOWN: {
-			mouse_pos = position2d<s32>(event.MouseInput.X, event.MouseInput.Y);
+			position2d<s32> mouse_pos = position2d<s32>(event.MouseInput.X, event.MouseInput.Y);
 			if(mainGame->cbDBLFList->getElementFromPoint(mouse_pos)
 				|| mainGame->cbDBDecks->getElementFromPoint(mouse_pos)
 				|| mainGame->cbCardType->getElementFromPoint(mouse_pos)

gframe/deck_con.h

@@ -34,7 +34,6 @@ public:
 	int hovered_pos;
 	int hovered_seq;
 	int click_pos;
-	position2d<s32> mouse_pos;
 	bool is_draging;
 	int dragx;
 	int dragy;