[vala] posix.vapi: Added constant AF_UNSPEC

[Luca Bruno <lucabru src gnome org>]

commit 50d2dc91338b5dab67395985a30b289295c2cfdb
Author: Richard Wiedenhöft <richard wiedenhoeft gmail com>
Date:   Wed Jul 31 12:09:57 2013 +0200

    posix.vapi: Added constant AF_UNSPEC
    
    Fixes bug 705204.

 vapi/posix.vapi |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/vapi/posix.vapi b/vapi/posix.vapi
index 687d77b..13994c0 100644
--- a/vapi/posix.vapi
+++ b/vapi/posix.vapi
@@ -1332,6 +1332,8 @@ namespace Posix {
        [CCode (cheader_filename = "sys/socket.h")]
        public const int SOCK_STREAM;
        [CCode (cheader_filename = "sys/socket.h")]
+       public const int AF_UNSPEC;
+       [CCode (cheader_filename = "sys/socket.h")]
        public const int AF_INET;
        [CCode (cheader_filename = "sys/socket.h")]
        public const int AF_INET6;