slony 2.2.4

Closes Homebrew/homebrew#39885.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/slony.rb

@@ -1,18 +1,16 @@
-require 'formula'
-
 class Slony < Formula
-  homepage 'http://slony.info/'
-  url 'http://slony.info/downloads/2.1/source/slony1-2.1.2.tar.bz2'
-  sha1 '47449fbc742a25eefdab088ab650973416bccb53'
+  homepage "http://slony.info/"
+  url "http://main.slony.info/downloads/2.2/source/slony1-2.2.4.tar.bz2"
+  mirror "https://mirrors.kernel.org/debian/pool/main/s/slony1-2/slony1-2_2.2.4.orig.tar.bz2"
+  sha256 "846a878f50de520d151e7f76a66d9b9845e94beb8820727bf84ab522a73e65b5"
 
   depends_on :postgresql
 
   def install
-    postgres = Formula['postgresql']
     system "./configure", "--disable-debug",
-                          "--with-pgconfigdir=#{postgres.opt_bin}",
+                          "--with-pgconfigdir=#{Formula["postgresql"].opt_bin}",
                           "--prefix=#{prefix}"
-    system "make install"
+    system "make", "install"
   end
 
   test do