Added support for the gc module (!).
diff --git a/Mac/Modules/macconfig.c b/Mac/Modules/macconfig.c
index 266ac3b..62fa76b 100644
--- a/Mac/Modules/macconfig.c
+++ b/Mac/Modules/macconfig.c
@@ -162,6 +162,9 @@
 #ifdef USE_PYEXPAT
 extern void initpyexpat();
 #endif
+#ifdef WITH_CYCLE_GC
+extern void initgc();
+#endif
 
 extern void initcPickle();
 extern void initcStringIO();
@@ -286,6 +289,9 @@
 #ifdef USE_PYEXPAT
 	{"pyexpat", initpyexpat},
 #endif
+#ifdef WITH_CYCLE_GC
+	{"gc", initgc},
+#endif
 	{"cPickle",	initcPickle},
 	{"cStringIO",	initcStringIO},
 	{"_locale", init_locale},