made kadu compilable again on x86-64 NixOS platform

svn path=/nixpkgs/trunk/; revision=25709

pkgs/applications/networking/instant-messengers/kadu/default.nix

@@ -20,6 +20,10 @@ stdenv.mkDerivation {
     patchShebangs .
   '';
   
+  patches = [ 
+    ./includes.patch
+  ];
+
   meta = { 
     description = "An instance messanger client for the gadu-gadu network (most popular polish IM network)";
     homepage = http://www.kadu.net/w/English:Main_Page;

pkgs/applications/networking/instant-messengers/kadu/includes.patch

@@ -0,0 +1,13 @@
+--- kadu/kadu-core/main.cpp	2011-01-27 22:58:22.000000000 +0100
++++ kadu/kadu-core/main.cpp	2011-01-27 22:58:28.000000000 +0100
+@@ -20,10 +20,8 @@
+ #include <winsock2.h>
+ #include <windows.h>
+ #endif
+-#ifdef Q_OS_BSD4
+ #include <sys/types.h>
+ #include <sys/stat.h>
+-#endif
+ 
+ #include "config_file.h"
+ #include "debug.h"