Added other bug report links

python/message_wireshark_sink.py

@@ -713,7 +713,8 @@ class message_wireshark_sink(gr.basic_block):
         #### This is apparently a known bug in the Python connection to the message system.
         ####    Examples:
         ####        https://lists.gnu.org/archive/html/discuss-gnuradio/2015-03/msg00223.html
-		####		
+        ####        https://lists.gnu.org/archive/html/discuss-gnuradio/2015-04/msg00093.html
+        ####        https://lists.gnu.org/archive/html/discuss-gnuradio/2016-07/msg00320.html
         #### A GNU Radio block written in C++ works as expected.
         #### Workaround by raising exception...
         # print msg