Add NewGRF object property for new edge foundation mode

src/table/newgrf_debug_data.h

@@ -897,6 +897,7 @@ class NIHObject : public NIHelper {
 				check_flag(OBJECT_FLAG_ANIM_RANDOM_BITS,   "OBJECT_FLAG_ANIM_RANDOM_BITS");
 				check_flag(OBJECT_FLAG_SCALE_BY_WATER,     "OBJECT_FLAG_SCALE_BY_WATER");
 				check_ctrl_flag(OBJECT_CTRL_FLAG_USE_LAND_GROUND, "OBJECT_CTRL_FLAG_USE_LAND_GROUND");
+				check_ctrl_flag(OBJECT_CTRL_FLAG_EDGE_FOUNDATION, "OBJECT_CTRL_FLAG_EDGE_FOUNDATION");
 			}
 		}
 	}