fixed dependencies

vendor/github.com/go-latex/latex/tex/state.go

@@ -0,0 +1,25 @@
+// Copyright ©2020 The go-latex Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package tex
+
+import (
+	"github.com/go-latex/latex/font"
+)
+
+type State struct {
+	be   font.Backend
+	Font font.Font
+	DPI  float64
+}
+
+func NewState(be font.Backend, font font.Font, dpi float64) State {
+	return State{
+		be:   be,
+		Font: font,
+		DPI:  dpi,
+	}
+}
+
+func (state State) Backend() font.Backend { return state.be }