1 files changed, 5 insertions, 5 deletions
diff --git a/nixpkgs/pkgs/tools/security/hashcash/default.nix b/nixpkgs/pkgs/tools/security/hashcash/default.nix
index bb8fba33e1d4..f86684178fcb 100644
--- a/nixpkgs/pkgs/tools/security/hashcash/default.nix
+++ b/nixpkgs/pkgs/tools/security/hashcash/default.nix
@@ -1,16 +1,16 @@
-{ stdenv, fetchurl, openssl }:
+{ lib, stdenv, fetchurl, openssl }:
 
 stdenv.mkDerivation rec {
   pname = "hashcash";
   version = "1.22";
-  
+
   buildInputs = [ openssl ];
 
   src = fetchurl {
     url = "http://www.hashcash.org/source/hashcash-${version}.tgz";
     sha256 = "15kqaimwb2y8wvzpn73021bvay9mz1gqqfc40gk4hj6f84nz34h1";
   };
-  
+
   makeFlags = [
     "generic-openssl"
     "LIBCRYPTO=-lcrypto"
@@ -21,8 +21,8 @@ stdenv.mkDerivation rec {
     "MAN_INSTALL_PATH=${placeholder "out"}/share/man/man1"
     "DOC_INSTALL_PATH=${placeholder "out"}/share/doc/hashcash-$(version)"
   ];
-  
-  meta = with stdenv.lib; {
+
+  meta = with lib; {
     description = "Proof-of-work algorithm used as spam and denial-of-service counter measure";
     homepage = "http://hashcash.org";
     license = licenses.gpl2;