snap7 1.2.1

Closes Homebrew/homebrew#28921.

Formula/snap7.rb

@@ -2,24 +2,15 @@ require "formula"
 
 class Snap7 < Formula
   homepage "http://snap7.sourceforge.net/"
-  url "https://downloads.sourceforge.net/project/snap7/1.2.0/snap7-full-1.2.0.tar.gz"
-  sha1 "49e64997345dfcbb68cecee3e0bc098d96a96407"
-
-  bottle do
-    cellar :any
-    sha1 "530697d2704479af33cbbe51daf5d822206babf4" => :mavericks
-    sha1 "e6d0c563e699f217a9a4a4265fd67c678e51da62" => :mountain_lion
-    sha1 "71df6080c160980de7697395756802765c5cd3bd" => :lion
-  end
+  url "https://downloads.sourceforge.net/project/snap7/1.2.1/snap7-full-1.2.1.tar.gz"
+  sha1 "1e661fea17c26586599c11a1a840f4ac013060b6"
 
   def install
     archstr = MacOS.prefer_64_bit? ? "x86_64" : "i386"
     lib.mkpath
-    inreplace "build/osx/common.mk", "libsnap7.so", "libsnap7.dylib"
-    inreplace "build/osx/common.mk", "/usr/lib", lib
 
     Dir.chdir "build/osx" do
-      system "make", "-f", "#{archstr}_osx.mk", "install"
+      system "make", "-f", "#{archstr}_osx.mk", "install", "LibInstall=#{lib}"
     end
 
     include.install "release/Wrappers/c-cpp/snap7.h"