Nix-expr style review

Unneded args.something replaced with
args: with args;
line. After this line args is the only place where we can recieve variables from.

Also removed several
buildInputs = [];
lines.

svn path=/nixpkgs/trunk/; revision=10415

pkgs/applications/misc/sbagen/default.nix

@@ -1,5 +1,5 @@
-args:
-args.stdenv.mkDerivation {
+args: with args;
+stdenv.mkDerivation {
   name = "sbagen-1.4.4";
 
   buildPhases="buildPhase installPhase";
@@ -14,7 +14,7 @@ args.stdenv.mkDerivation {
   
    ";
 
-  src = args.fetchurl {
+  src = fetchurl {
     url = http://uazu.net/sbagen/sbagen-1.4.4.tgz;
     sha256 = "0w62yk1b0hq79kl0angma897yqa8p1ww0dwydf3zlwav333prkd2";
   };