Fix initialisation of crypt option.

Bug introduced with gpg support update.

Author: schlatterbeck

roundup/mailgw.py

@@ -1447,6 +1447,7 @@ def handle_Message(self, message):
         # its way into here... try to handle it gracefully
 
         self.parsed_message = None
+        crypt = False
         sendto = message.getaddrlist('resent-from')
         if not sendto:
             sendto = message.getaddrlist('from')