Adds nullLog

Author: ackleymi

connection_internal_test.go

@@ -45,7 +45,7 @@ func TestReadLoop(t *testing.T) {
 	stream := "hello8=FIX.4.0
9=5
blah
10=103
garbage8=FIX.4.0
9=4
foo
10=103
"
 
 	parser := newParser(strings.NewReader(stream))
-	go readLoop(parser, msgIn)
+	go readLoop(parser, msgIn, nullLog{})
 
 	var tests = []struct {
 		expectedMsg   string