Apply goext specific patches to gojson

gojson/stream.go

@@ -41,6 +41,9 @@ func (dec *Decoder) UseNumber() { dec.d.useNumber = true }
 // non-ignored, exported fields in the destination.
 func (dec *Decoder) DisallowUnknownFields() { dec.d.disallowUnknownFields = true }
 
+// TagKey sets a different TagKey (instead of "json")
+func (dec *Decoder) TagKey(v string) { dec.d.tagkey = &v }
+
 // Decode reads the next JSON-encoded value from its
 // input and stores it in the value pointed to by v.
 //