fix wrong git ignore

internal/pdf/cmap/utils.go

@@ -0,0 +1,29 @@
+package cmap
+
+import "bytes"
+
+func hexToUint64(shex cmapHexString) uint64 {
+	val := uint64(0)
+
+	for _, v := range shex.b {
+		val <<= 8
+		val |= uint64(v)
+	}
+
+	return val
+}
+
+func hexToString(shex cmapHexString) string {
+	var buf bytes.Buffer
+
+	// Assumes unicode in format <HHLL> with 2 bytes HH and LL representing a rune.
+	for i := 0; i < len(shex.b)-1; i += 2 {
+		b1 := uint64(shex.b[i])
+		b2 := uint64(shex.b[i+1])
+		r := rune((b1 << 8) | b2)
+
+		buf.WriteRune(r)
+	}
+
+	return buf.String()
+}