Remove extra semi-colons reported by Johnny Lee on python-dev.  Backport if anyone cares.
diff --git a/Python/pystate.c b/Python/pystate.c
index 639278f..cc25e3e 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -501,7 +501,7 @@
 {
 	PyThread_delete_key(autoTLSkey);
 	autoTLSkey = 0;
-	autoInterpreterState = NULL;;
+	autoInterpreterState = NULL;
 }
 
 /* When a thread state is created for a thread by some mechanism other than