flightgear: build with Qt 5.5

pkgs/games/flightgear/default.nix

···
 , freeglut, freealut, mesa, libICE, libjpeg, openal, openscenegraph, plib
 , libSM, libunwind, libX11, xproto, libXext, xextproto, libXi, inputproto
 , libXmu, libXt, simgear, zlib, boost, cmake, libpng, udev, fltk13, apr
-, makeDesktopItem, qt5
+, makeDesktopItem, qtbase
 }:
 
 stdenv.mkDerivation rec {
···
   buildInputs = [
     freeglut freealut mesa libICE libjpeg openal openscenegraph plib
     libSM libunwind libX11 xproto libXext xextproto libXi inputproto
-    libXmu libXt simgear zlib boost cmake libpng udev fltk13 apr qt5.base
+    libXmu libXt simgear zlib boost cmake libpng udev fltk13 apr qtbase
   ];
 
   preConfigure = ''

pkgs/top-level/all-packages.nix

···
 
   fairymax = callPackage ../games/fairymax {};
 
-  flightgear = callPackage ../games/flightgear { };
+  flightgear = qt5Libs.callPackage ../games/flightgear { };
 
   freecell-solver = callPackage ../games/freecell-solver { };