update asserts

examples/widgets/arc/lv_example_arc_1.c

@@ -0,0 +1,14 @@
+#include "../../../lvgl.h"
+
+#if LV_USE_ARC
+
+void lv_example_arc_1(void) 
+{
+  /*Create an Arc*/
+  lv_obj_t * arc = lv_arc_create(lv_scr_act(), NULL);
+  lv_arc_set_end_angle(arc, 200);
+  lv_obj_set_size(arc, 150, 150);
+  lv_obj_align(arc, NULL, LV_ALIGN_CENTER, 0, 0);
+}
+
+#endif