Adding GPL Arcade Volleyball.

I had this patch _almost_ ready for a long long time. Now ready.

svn path=/nixpkgs/trunk/; revision=14017

pkgs/games/gav/default.nix

@@ -0,0 +1,23 @@
+{stdenv, fetchurl, SDL, SDL_image, SDL_mixer, SDL_net} :
+
+stdenv.mkDerivation {
+  name = "gav-0.9.0";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/gav/gav-0.9.0.tar.gz";
+    sha256 = "8f0deb8b2cd775b339229054f4f282583a4cfbcba9d27a6213cf910bab944f3e";
+  };
+
+  patchPhase = ''
+    mkdir -p $out/bin
+    sed -e "s@/usr@$out@" -i Makefile
+    sed -e "s@/usr@$out@" -i Theme.h
+  '';
+  buildInputs = [SDL SDL_image SDL_mixer SDL_net];
+
+  meta = {
+    description = "Remake of AV Arcade Volleyball";
+    homepage = http://gav.sourceforge.net/;
+    license = "GPLv2+";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -2965,6 +2965,10 @@ let
     inherit (gtkLibs) glib;
   };
 
+  gav = import ../games/gav {
+    inherit fetchurl stdenv SDL SDL_image SDL_mixer SDL_net;
+  };
+
   gdbm = import ../development/libraries/gdbm {
     inherit fetchurl stdenv;
   };