Fix depends_on and memory leak

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/gloox.rb

@@ -5,6 +5,15 @@ class Gloox <Formula
   homepage 'http://camaya.net/glooxdownload'
   md5 'f8eacf1c6476e0a309b453fd04f90e31'
 
+  depends_on 'gnutls'
+  depends_on 'pkg-config'
+
+  def patches
+    # Fix memory leak
+    # http://bugs.camaya.net/horde/whups/ticket/?id=181
+    DATA
+  end
+
   def install
     system "./configure", "--without-openssl", 
                           "--with-gnutls",
@@ -13,4 +22,57 @@ class Gloox <Formula
                           "--prefix=#{prefix}"
     system "make install"
   end
-end
+end
+
+__END__
+diff --git a/src/tlsgnutlsbase.cpp b/src/tlsgnutlsbase.cpp
+index d98c802..37f702d 100644
+--- a/src/tlsgnutlsbase.cpp
++++ b/src/tlsgnutlsbase.cpp
+@@ -97,7 +97,7 @@ namespace gloox
+     gnutls_bye( *m_session, GNUTLS_SHUT_RDWR );
+     gnutls_db_remove_session( *m_session );
+     gnutls_credentials_clear( *m_session );
+-    if( m_secure )
++    if( m_session )
+       gnutls_deinit( *m_session );
+ 
+     m_secure = false;
+diff --git a/src/tlsgnutlsclient.cpp b/src/tlsgnutlsclient.cpp
+index c1d24c2..d250f32 100644
+--- a/src/tlsgnutlsclient.cpp
++++ b/src/tlsgnutlsclient.cpp
+@@ -33,6 +33,8 @@ namespace gloox
+   void GnuTLSClient::cleanup()
+   {
+     GnuTLSBase::cleanup();
++    if (m_credentials)
++        gnutls_certificate_free_credentials( m_credentials );
+     init();
+   }
+ 
+@@ -120,6 +122,7 @@ namespace gloox
+       m_certInfo.status |= CertSignerNotCa;
+     const gnutls_datum_t* certList = 0;
+     unsigned int certListSize;
++    unsigned int certListSizeFull;
+     if( !error && ( ( certList = gnutls_certificate_get_peers( *m_session, &certListSize ) ) == 0 ) )
+       error = true;
+ 
+@@ -131,6 +134,7 @@ namespace gloox
+         error = true;
+     }
+ 
++    certListSizeFull = certListSize;
+     if( ( gnutls_x509_crt_check_issuer( cert[certListSize-1], cert[certListSize-1] ) > 0 )
+          && certListSize > 0 )
+       certListSize--;
+@@ -189,7 +193,7 @@ namespace gloox
+     if( !gnutls_x509_crt_check_hostname( cert[0], m_server.c_str() ) )
+       m_certInfo.status |= CertWrongPeer;
+ 
+-    for( unsigned int i = 0; i < certListSize; ++i )
++    for( unsigned int i = 0; i < certListSizeFull; ++i )
+       gnutls_x509_crt_deinit( cert[i] );
+ 
+     delete[] cert;