Fix strict notices in Tests_POMO_PO.

props markoheijnen for initial patch.
fixes #25631.
Built from https://develop.svn.wordpress.org/trunk@26500


git-svn-id: http://core.svn.wordpress.org/trunk@26394 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/pomo/po.php

@@ -274,7 +274,7 @@ class PO extends Gettext_Translations {
 					return false;
 				}
 				// add comment
-				$this->add_comment_to_entry($entry, $line);;
+				$this->add_comment_to_entry($entry, $line);
 			} elseif (preg_match('/^msgctxt\s+(".*")/', $line, $m)) {
 				if ($is_final($context)) {
 					PO::read_line($f, 'put-back');