Update vendor

vendor/github.com/ugorji/go/codec/z.go

@@ -0,0 +1,23 @@
+// Copyright (c) 2012-2015 Ugorji Nwoke. All rights reserved.
+// Use of this source code is governed by a MIT license found in the LICENSE file.
+
+package codec
+
+import "sort"
+
+// TODO: this is brittle, as it depends on z.go's init() being called last.
+// The current build tools all honor that files are passed in lexical order.
+// However, we should consider using an init_channel,
+// that each person doing init will write to.
+
+func init() {
+	if !useLookupRecognizedTypes {
+		return
+	}
+	sort.Sort(uintptrSlice(recognizedRtids))
+	sort.Sort(uintptrSlice(recognizedRtidPtrs))
+	recognizedRtidOrPtrs = make([]uintptr, len(recognizedRtids)+len(recognizedRtidPtrs))
+	copy(recognizedRtidOrPtrs, recognizedRtids)
+	copy(recognizedRtidOrPtrs[len(recognizedRtids):], recognizedRtidPtrs)
+	sort.Sort(uintptrSlice(recognizedRtidOrPtrs))
+}