Adjust blacklist to prevent code coverage problems now that PDF library has been removed from PHPExcel class structure

git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@91578 2327b42d-5241-43d6-9e2a-de5ac946f064

Author: Mark Baker

unitTests/phpunit.xml

@@ -23,9 +23,9 @@
         <whitelist>
             <directory suffix=".php">../Classes</directory>
             <exclude>
-                <directory>../Classes/PHPExcel/Shared/PDF</directory>
                 <directory>../Classes/PHPExcel/Shared/PCLZip</directory>
                 <directory>../Classes/PHPExcel/Shared/JAMA</directory>
+                <directory>../Classes/PHPExcel/Writer/PDF</directory>
             </exclude>
         </whitelist>
     </filter>