yasm: replace name with pname&version

pkgs/development/compilers/yasm/default.nix

···
 {lib, stdenv, fetchurl}:
 
 stdenv.mkDerivation rec {
-  name = "yasm-1.3.0";
+  pname = "yasm";
+  version = "1.3.0";
 
   src = fetchurl {
-    url = "https://www.tortall.net/projects/yasm/releases/${name}.tar.gz";
+    url = "https://www.tortall.net/projects/yasm/releases/yasm-${version}.tar.gz";
     sha256 = "0gv0slmm0qpq91za3v2v9glff3il594x5xsrbgab7xcmnh0ndkix";
   };