pocketsphinx: fix compilation with clang

Fixes are already upstream.

Formula/cmu-pocketsphinx.rb

@@ -1,16 +1,50 @@
 require 'formula'
 
 class CmuPocketsphinx < Formula
-  url 'http://sourceforge.net/projects/cmusphinx/files/pocketsphinx/0.7/pocketsphinx-0.7.tar.gz'
   homepage 'http://cmusphinx.sourceforge.net/'
-  md5 '3c42d6fed086801240a329af57422f50'
+  url 'http://sourceforge.net/projects/cmusphinx/files/pocketsphinx/0.7/pocketsphinx-0.7.tar.gz'
+  sha1 '4140245211239d8922543b28007fc5afd77258fe'
 
   depends_on 'pkg-config' => :build
   depends_on 'cmu-sphinxbase'
 
+  # Fix compilation with clang; already upstream, and can be removed in
+  # next version.
+  def patches
+    DATA
+  end
+
   def install
     system "./configure", "--disable-dependency-tracking",
                           "--prefix=#{prefix}"
     system "make install"
   end
 end
+
+__END__
+diff --git a/src/libpocketsphinx/fsg_search.c b/src/libpocketsphinx/fsg_search.c
+index 449b819..3223be1 100644
+--- a/src/libpocketsphinx/fsg_search.c
++++ b/src/libpocketsphinx/fsg_search.c
+@@ -260,7 +260,7 @@ fsg_search_reinit(ps_search_t *search, dict_t *dict, dict2pid_t *d2p)
+     
+     /* Nothing to update */
+     if (fsgs->fsg == NULL)
+-	return;
++	return 0;
+ 
+     /* Update the number of words (not used by this module though). */
+     search->n_words = dict_size(dict);
+diff --git a/src/libpocketsphinx/ngram_search.c b/src/libpocketsphinx/ngram_search.c
+index cb6463d..91541c4 100644
+--- a/src/libpocketsphinx/ngram_search.c
++++ b/src/libpocketsphinx/ngram_search.c
+@@ -279,7 +279,7 @@ ngram_search_reinit(ps_search_t *search, dict_t *dict, dict2pid_t *d2p)
+     ps_search_base_reinit(search, dict, d2p);
+     
+     if (ngs->lmset == NULL)
+-	return;
++	return 0;
+ 
+     /* Update beam widths. */
+     ngram_search_calc_beams(ngs);