* Samba: Apply a patch that fixes readlink() on symlinks that point

outside of the share.  This is necessary for EC2 image generation
  (and similar actions).  Many thanks to Jeremy Allison to fixing this
  very quickly.  (https://bugzilla.samba.org/show_bug.cgi?id=8541)

svn path=/nixpkgs/trunk/; revision=29969

pkgs/servers/samba/default.nix

@@ -28,6 +28,14 @@ stdenv.mkDerivation rec {
     sha256 = "0r6mbghja357xhpada5djg0gpczi50f18ap53hdn8b7y0amz5c65";
   };
 
+  patches =
+    [ # Fix for https://bugzilla.samba.org/show_bug.cgi?id=8541.
+      (fetchurl {
+        url = https://attachments.samba.org/attachment.cgi?id=7018;
+        sha256 = "1fmq0dx7r09pf6gdw1bcigmnx36yb80xcrh7jv0yv9m1w8m3l2w9";
+      })
+    ];
+
   buildInputs = [ readline pam openldap popt iniparser libunwind fam acl cups ]
     ++ stdenv.lib.optional useKerberos kerberos;