Add missing "notfound" and "getsporks" to messagemap (#3146)

Author: codablock

test/functional/test_framework/mininode.py

@@ -1702,8 +1702,10 @@ class NodeConn(asyncore.dispatcher):
         b"mnlistdiff": msg_mnlistdiff,
         b"clsig": msg_clsig,
         b"islock": msg_islock,
+        b"notfound": None,
         b"senddsq": None,
         b"qsendrecsigs": None,
+        b"getsporks": None,
         b"spork": None,
         b"govsync": None,
         b"qfcommit": None,