accountsservice: fix typo, little format cleanup

pkgs/development/libraries/accountsservice/default.nix

@@ -1,4 +1,5 @@
-{ lib, stdenv
+{ lib
+, stdenv
 , fetchurl
 , fetchpatch
 , substituteAll
@@ -89,6 +90,6 @@ stdenv.mkDerivation rec {
     homepage = "https://www.freedesktop.org/wiki/Software/AccountsService";
     license = licenses.gpl3;
     maintainers = with maintainers; [ pSub ];
-    platforms = with platforms; linux;
+    platforms = platforms.linux;
   };
 }

pkgs/development/libraries/accountsservice/fix-paths.patch

@@ -29,7 +29,7 @@ index 9f57af5..e65289d 100644
                           name);
  
 -                argv[0] = "/usr/sbin/usermod";
-+                argv[0] = "@shadown@/bin/usermod";
++                argv[0] = "@shadow@/bin/usermod";
                  argv[1] = "-c";
                  argv[2] = name;
                  argv[3] = "--";