Dont set ERROR_SUCCESS generally

Turns out we should only be setting this in a select few cases.

src/main.cpp

@@ -557,6 +557,9 @@ int main(int argc, char **argv) {
 		abort();
 	}
 
+	// Reset last error
+	wibo::lastError = 0;
+
 	// Invoke the damn thing
 	{
 		GUEST_CONTEXT_GUARD(&tib);