wire-desktop: fix linux build

autopatchelf currently fails. adding libxshmfence was included in
https://github.com/NixOS/nixpkgs/pull/168636, but missing in
https://github.com/NixOS/nixpkgs/pull/168317.

pkgs/applications/networking/instant-messengers/wire-desktop/default.nix

@@ -11,6 +11,7 @@
 , cpio
 , xar
 , libdbusmenu
+, libxshmfence
 }:
 
 let
@@ -90,7 +91,7 @@ let
       wrapGAppsHook
     ];
 
-    buildInputs = atomEnv.packages;
+    buildInputs = [ libxshmfence ] ++ atomEnv.packages;
 
     unpackPhase = ''
       runHook preUnpack