analog: fix build DLANGDIR path

* Current Formula is incorrectly set as '/foo-share/analog/lang' lets use share/analog/lang instead otherwise the following error message is output when attempting to run
analog: Fatal error: Can't read language file /foo-share/analog/uk.lng:

Formula/analog.rb

@@ -13,7 +13,7 @@ class Analog < Formula
   def install
     system "make", "CC=#{ENV.cc}",
                    "CFLAGS=#{ENV.cflags}",
-                   "DEFS='-DLANGDIR=\"/foo-share/analog/lang\"' -DHAVE_ZLIB",
+                   "DEFS='-DLANGDIR=\"#{share/'analog/lang/'}\"' -DHAVE_ZLIB",
                    "LIBS=-lz",
                    "OS=OSX"
     bin.install "analog"