qucs: minor update and fix for new gcc

pkgs/applications/science/electronics/qucs/default.nix

···
 {stdenv, fetchurl, qt3, libX11}:
 
 stdenv.mkDerivation rec {
-  name = "qucs-0.0.15";
+  name = "qucs-0.0.16";
 
   src = fetchurl {
     url = "mirror://sourceforge/qucs/${name}.tar.gz";
-    sha256 = "0ggs2nicj8q270l0rbmzg4jc0d0zdxvfsjh4wgww670ma5855xsp";
+    sha256 = "1h8ba84k06rix5zl5p9p414zj2facbnlf1vxwh4a1sp4h9dbfnzy";
   };
+
+  patches = [ ./tr1-complex.patch ];
+  patchFlags = "-p0";
 
   buildInputs = [ qt3 libX11 ];
 

pkgs/applications/science/electronics/qucs/tr1-complex.patch

···
+--- qucs-core/configure.orig	2011-07-03 07:34:09.069218113 -0500
++++ qucs-core/configure	2011-07-03 07:34:46.618990497 -0500
+@@ -5884,7 +5884,6 @@
+ 
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ /* end confdefs.h.  */
+-#include <tr1/complex>
+ using namespace std;
+ using namespace std::tr1;
+ int