meshlab: fix forgotten qt47

pkgs/applications/graphics/meshlab/default.nix

···
-{stdenv, fetchurl, qt, bzip2, lib3ds, levmar, muparser, unzip}:
+{stdenv, fetchurl, qt4, bzip2, lib3ds, levmar, muparser, unzip}:
 
 stdenv.mkDerivation rec {
   name = "meshlab-1.3.2";
···
 
   sourceRoot = ".";
 
-  buildInputs = [ qt unzip ];
+  buildInputs = [ qt4 unzip ];
 
   meta = {
     description = "System for the processing and editing of unstructured 3D triangular meshes";

pkgs/top-level/all-packages.nix

···
 
   merkaartor = callPackage ../applications/misc/merkaartor { };
 
-  meshlab = callPackage ../applications/graphics/meshlab {
-    qt = qt47;
-  };
+  meshlab = callPackage ../applications/graphics/meshlab { };
 
   mhwaveedit = callPackage ../applications/audio/mhwaveedit {};