use stdout for errors like everything else

bin/get-bugzilla-attachments-by-mimetype

@@ -162,7 +162,7 @@ def get_through_rss_query_url(url, mimetype, prefix, suffix):
         try:
             get_bug_function(entry['id'], mimetype, prefix, suffix)
         except:
-            print >> sys.stderr, entry['id'], "failed:", sys.exc_info()[0]
+            print entry['id'], "failed:", sys.exc_info()[0]
             pass
 
 def get_through_rss_query(queryurl, mimetype, prefix, suffix):