update for github.com/AlecAivazis/survey => gopkg.in/AlecAivazis/survey.v1 package

vendor/gopkg.in/AlecAivazis/survey.v1/terminal/runereader_linux.go

@@ -0,0 +1,12 @@
+// copied from https://github.com/golang/crypto/blob/master/ssh/terminal/util_linux.go
+// Copyright 2013 The Go 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 terminal
+
+// These constants are declared here, rather than importing
+// them from the syscall package as some syscall packages, even
+// on linux, for example gccgo, do not declare them.
+const ioctlReadTermios = 0x5401  // syscall.TCGETS
+const ioctlWriteTermios = 0x5402 // syscall.TCSETS