databases/pear-MDB2: Fix PHP error

- Bump PORTREVISION for package change

PR:		272927
Reported by:	Joel Rodriguez <joel@tahoestores.com>
Obtained from:	ee0563d1ac

databases/pear-MDB2/Makefile

@@ -1,5 +1,6 @@
 PORTNAME=	MDB2
 DISTVERSION=	2.5.0b5
+PORTREVISION=	1
 CATEGORIES=	databases www pear
 
 MAINTAINER=	sunpoet@FreeBSD.org

databases/pear-MDB2/files/patch-MDB2.php

@@ -0,0 +1,23 @@
+Obtained from:	https://github.com/pear/MDB2/commit/ee0563d1ac6ed2694c48701e24ed7c352edb6639
+
+--- MDB2.php.orig	2012-10-29 15:41:51 UTC
++++ MDB2.php
+@@ -575,7 +575,7 @@ class MDB2
+                          $dummy3 = false)
+     {
+         $pear = new PEAR;
+-        $err =& $pear->raiseError(null, $code, $mode, $options, $userinfo, 'MDB2_Error', true);
++        $err = $pear->raiseError(null, $code, $mode, $options, $userinfo, 'MDB2_Error', true);
+         return $err;
+     }
+ 
+@@ -823,7 +823,8 @@ class MDB2
+             $parsed['dbsyntax'] = $str;
+         }
+ 
+-        if (!count($dsn)) {
++        $dsn = trim($dsn);
++        if (!strlen($dsn)) {
+             return $parsed;
+         }
+