Merge pull request #122 from rod-hynes/master

Enable Lookup IP with BindToDevice on darwin

psiphon/LookupIP.go

@@ -1,4 +1,4 @@
-// +build android linux
+// +build android linux darwin
 
 /*
  * Copyright (c) 2015, Psiphon Inc.

psiphon/LookupIP_nobind.go

@@ -1,4 +1,4 @@
-// +build !android,!linux
+// +build !android,!linux,!darwin
 
 /*
  * Copyright (c) 2014, Psiphon Inc.