Fix chat overlaying full screen, now it's gonna overlay only up to length of longest line

src/game.cpp

@@ -3227,7 +3227,7 @@ void the_game(bool &kill, bool random_input, InputHandler *input,
 				core::rect<s32> rect(
 						10,
 						status_y - guitext_status->getTextHeight(),
-						screensize.X - 10,
+						10 + guitext_chat->getTextWidth(),
 						status_y
 				);
 				guitext_status->setRelativePosition(rect);