Minor code clean-up.  Keep the C-API all in one section.
diff --git a/Objects/setobject.c b/Objects/setobject.c
index adc99da..b0803f6 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -36,9 +36,6 @@
 
 #define dummy (&_dummy_struct)
 
-/* Exported for the gdb plugin's benefit. */
-PyObject *_PySet_Dummy = dummy;
-
 
 /* ======================================================================== */
 /* ======= Begin logic for probing the hash table ========================= */
@@ -2345,6 +2342,9 @@
     return set_update_internal((PySetObject *)set, iterable);
 }
 
+/* Exported for the gdb plugin's benefit. */
+PyObject *_PySet_Dummy = dummy;
+
 #ifdef Py_DEBUG
 
 /* Test code to be called with any three element set.