cpustat: newlines between (most) attributes

Exception is made for pname/version as is convention.

pkgs/os-specific/linux/cpustat/default.nix

@@ -3,15 +3,19 @@
 stdenv.mkDerivation rec {
   pname = "cpustat";
   version = "0.02.09";
+
   src = fetchurl {
     url = "https://kernel.ubuntu.com/~cking/tarballs/${pname}/${pname}-${version}.tar.xz";
     sha256 = "12xahv65yrhs5r830clkl1qnwg3dnrk5qn3zsznzbv1iy2f3cj7y";
   };
+
   buildInputs = [ ncurses ];
+
   installFlags = [
     "BINDIR=${placeholder "out"}/bin"
     "MANDIR=${placeholder "out"}/share/man/man8"
   ];
+
   meta = with lib; {
     description = "CPU usage monitoring tool";
     homepage = "https://kernel.ubuntu.com/~cking/cpustat/";