filter newlines from description to avoid error reported in http://forum.piwik.org/read.php?2,80672

git-svn-id: http://dev.piwik.org/svn/trunk@5125 59fd770c-687e-43c8-a1e3-f5a4ff64c105

plugins/PDFReports/API.php

@@ -308,7 +308,9 @@ class Piwik_PDFReports_API
     			}
     		}
 		}
-		
+
+		$description = str_replace(array("\r", "\n"), ' ', $description);
+
 		// The report will be rendered with the first 30 rows and will aggregate other rows in a summary row
     	$filterTruncateGET = Piwik_Common::getRequestVar('filter_truncate', false);
     	$_GET['filter_truncate'] = 30;