reflect: add stubs required for net/http

src/reflect/makefunc.go

@@ -0,0 +1,5 @@
+package reflect
+
+func MakeFunc(typ Type, fn func(args []Value) (results []Value)) Value {
+	panic("unimplemented: reflect.MakeFunc()")
+}

src/reflect/value.go

@@ -840,3 +840,7 @@ func (v Value) FieldByName(name string) Value {
 func MakeMap(typ Type) Value {
 	panic("unimplemented: reflect.MakeMap()")
 }
+
+func (v Value) Call(in []Value) []Value {
+	panic("unimplemented: (reflect.Value).Call()")
+}