chore(btnmatrix) removed unnecessary semicolon
Removed an unnecessary semicolon at line 97 ( `lv_btnmatrix_t * btnm = (lv_btnmatrix_t *)obj;` )
@@ -94,7 +94,7 @@ void lv_btnmatrix_set_map(lv_obj_t * obj, const char * map[])
LV_ASSERT_OBJ(obj, MY_CLASS);
if(map == NULL) return;
- lv_btnmatrix_t * btnm = (lv_btnmatrix_t *)obj;;
+ lv_btnmatrix_t * btnm = (lv_btnmatrix_t *)obj;
/*Analyze the map and create the required number of buttons*/
allocate_btn_areas_and_controls(obj, map);
