dropbox: use wmctrl from nixpkgs

pkgs/applications/networking/dropbox/default.nix

@@ -1,9 +1,9 @@
-{ stdenv, fetchurl, makeDesktopItem, patchelf, makeWrapper
+{ stdenv, fetchurl, makeDesktopItem, patchelf, makeWrapper, makeQtWrapper
 , dbus_libs, fontconfig, freetype, gcc, glib
 , libdrm, libffi, libICE, libSM
 , libX11, libXcomposite, libXext, libXmu, libXrender, libxcb
 , libxml2, libxslt, ncurses, zlib
-, qtbase, qtdeclarative, qtwebkit, makeQtWrapper
+, qtbase, qtdeclarative, qtwebkit, wmctrl
 }:
 
 # this package contains the daemon version of dropbox
@@ -98,6 +98,9 @@ in stdenv.mkDerivation {
       --prefix LD_LIBRARY_PATH : "$RPATH"
 
     chmod 755 $out/${appdir}/dropbox
+
+    rm $out/${appdir}/wmctrl
+    ln -s ${wmctrl}/bin/wmctrl $out/${appdir}/wmctrl
   '';
 
   fixupPhase = ''