tpl: Fix the remaining template funcs namespace issues

See #3042

tpl/fmt/fmt.go

@@ -0,0 +1,39 @@
+// Copyright 2017 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package fmt
+
+import (
+	_fmt "fmt"
+)
+
+// New returns a new instance of the fmt-namespaced template functions.
+func New() *Namespace {
+	return &Namespace{}
+}
+
+// Namespace provides template functions for the "fmt" namespace.
+type Namespace struct {
+}
+
+func (ns *Namespace) Print(a ...interface{}) (n int, err error) {
+	return _fmt.Print(a...)
+}
+
+func (ns *Namespace) Printf(format string, a ...interface{}) (n int, err error) {
+	return _fmt.Printf(format, a...)
+}
+
+func (ns *Namespace) Println(a ...interface{}) (n int, err error) {
+	return _fmt.Println(a...)
+}