[Checkins] SVN: persistent/trunk/ Fix warning.

[Tres Seaver]

Log message for revision 128633:
  Fix warning.

Changed:
  _U  persistent/trunk/
  U   persistent/trunk/persistent/_timestamp.c

-=-
Modified: persistent/trunk/persistent/_timestamp.c
===================================================================
--- persistent/trunk/persistent/_timestamp.c	2012-12-14 00:21:15 UTC (rev 128632)
+++ persistent/trunk/persistent/_timestamp.c	2012-12-14 00:21:16 UTC (rev 128633)
@@ -502,7 +502,7 @@
     PyObject *module;
 
     if (TimeStamp_init_gmoff() < 0)
-        return;
+        return NULL;
 
 #ifdef PY3K
     module = PyModule_Create(&moduledef);