Posting engine code changes as part of a resource?

I recently posted an update to a resource I made which involved slight (around 10 lines) additions to fxfoliagereplicator.cpp. I assumed that resources could only be accessed by members, similiar to the way you have to log in to view posts in the private forums.
However, today I discovered that non-members can also access my resource, meaning that they can see the code changes that I posted. I was wondering, does this constitute a violation of my Torque license?

I am almost certain that I have seen engine code posted in resources before, such as here:
http://www.garagegames.com/index.php?sec=mg&mod=resource&page=view&qid=10050

My resource is located here:

http://www.garagegames.com/index.php?sec=mg&mod=resource&page=view&qid=13408

and the code changes are:

Then, in fxfoliagereplicator.cpp, after the lines:
// Set Shape Scale.
fxStatic->setScale(ShapeScale);

// Lock it.
fxStatic->setLocked(true);

(around line 424), add these lines:

Con::printf("SHAPE = :%s" , mFieldData.mShapeFile );

// Store Shape in Replicated Shapes Vector.
mReplicatedShapes[mCurrentShapeCount++] = fxStatic;
int id = fxStatic->getId();
static char buf[32];
dSprintf(buf, sizeof(buf), "%d", id);
char* ch = buf;
const char* argv[] = {"addmissionlight", ch , mFieldData.mShapeFile};
Con::printf("Fx Shape Object ID: %s" , ch);
Con::execute(3, argv);

The rest is all script.

As I said, I am almost sure I have seen engine code posted in resources before. Is there some way of specifying that a particular resource should be accessible to members only?

Thanks,
Jack