* Get rid of many instances of "args: with args;", and other coding

guidelines violations.
* Updated libsamplerate to 0.1.7.

svn path=/nixpkgs/trunk/; revision=22782

pkgs/tools/misc/bfr/default.nix

@@ -1,17 +1,18 @@
-args:
-args.stdenv.mkDerivation {
+{ stdenv, fetchurl, perl }:
+
+stdenv.mkDerivation {
   name = "bfr-1.6";
 
-  src = args.fetchurl {
+  src = fetchurl {
     url = http://www.glines.org/bin/pk/bfr-1.6.tar.bz2;
     sha256 = "0fadfssvj9klj4dq9wdrzys1k2a1z2j0p6kgnfgbjv0n1bq6h4cy";
   };
 
-  buildInputs =(with args; [perl]);
+  buildInputs = [ perl ];
 
   meta = {
-      description = "general-purpose command-line pipe buffer";
-      homepage = http://www.glines.org/wiki/bfr;
-      license = "GPL2";
+    description = "general-purpose command-line pipe buffer";
+    homepage = http://www.glines.org/wiki/bfr;
+    license = "GPL2";
   };
 }