main.c: Correct CANIO if-guard

jepler · jepler · commit ca32a81bf113 · 2020-09-21T16:44:26.000-05:00
diff --git a/main.c b/main.c
@@ -230,7 +230,7 @@ void cleanup_after_vm(supervisor_allocation* heap) {
     free_memory(heap);
     supervisor_move_memory();
 
-    #ifdef CIRCUITPY_CANIO
+    #if CIRCUITPY_CANIO
     common_hal_canio_reset();
     #endif
 
