Fix touch not working due to gr_fb_width returning 0 in some cases

Change-Id: Id5ce607a181110118ebc647fc07d387a7a3dc660
diff --git a/minuitwrp/minui.h b/minuitwrp/minui.h
index 03e15bb..66e7f4f 100644
--- a/minuitwrp/minui.h
+++ b/minuitwrp/minui.h
@@ -57,7 +57,7 @@
 
 int ev_init(void);
 void ev_exit(void);
-int ev_get(struct input_event *ev, unsigned dont_wait);
+int ev_get(struct input_event *ev, unsigned dont_wait, int *screen_width, int *screen_height);
 
 // Resources