libextractor 1.2

Closes Homebrew/homebrew#23371.

Formula/libextractor.rb

@@ -2,16 +2,17 @@ require 'formula'
 
 class Libextractor < Formula
   homepage 'http://www.gnu.org/software/libextractor/'
-  url 'http://ftpmirror.gnu.org/libextractor/libextractor-1.0.1.tar.gz'
-  mirror 'http://ftp.gnu.org/gnu/libextractor/libextractor-1.0.1.tar.gz'
-  sha1 '244eb3e16dadedea9dc827fb91cb309e2baa8637'
+  url 'http://ftpmirror.gnu.org/libextractor/libextractor-1.2.tar.gz'
+  mirror 'http://ftp.gnu.org/gnu/libextractor/libextractor-1.2.tar.gz'
+  sha1 'c10a5a20a1850b8e89eeb41f3f2eccb7db9d5e53'
 
   depends_on 'pkg-config' => :build
   depends_on :libtool => :run
+  depends_on 'iso-codes' => :optional
 
   def install
     ENV.deparallelize
-    system "./configure", "--disable-debug",
+    system "./configure", "--disable-silent-rules",
                           "--disable-dependency-tracking",
                           "--prefix=#{prefix}"
     system "make install"