[python] Fix gc_collect to be sure to get unaligned pointers

python/port/mod/turtle/modturtle.cpp

@@ -8,7 +8,12 @@ static Turtle sTurtle;
 
 void modturtle_gc_collect() {
   // Mark the shared sTurtle object as a GC root
-  gc_collect_root((void **)&sTurtle, sizeof(Turtle)/sizeof(void *));
+  for (size_t i = 0; i < sizeof(void *); i++) {
+    // See comment in port.cpp: gc_collect implementation
+    char * turtleWithOffset = (char *)&sTurtle + i;
+    size_t turtleLengthInAddressSize = (sizeof(Turtle) - i + sizeof(void *) - 1)/sizeof(void *);
+    gc_collect_root((void **)turtleWithOffset, turtleLengthInAddressSize);
+  }
 }
 
 void modturtle_view_did_disappear() {