opml: normalize class name

classes/dlg.php

@@ -18,7 +18,7 @@ class Dlg extends Handler_Protected {
 
 		print "<div class='panel panel-scrollable'>";
 
-		$opml = new Opml($_REQUEST);
+		$opml = new OPML($_REQUEST);
 
 		$opml->opml_import($_SESSION["uid"]);
 

classes/opml.php

 <?php
-class Opml extends Handler_Protected {
+class OPML extends Handler_Protected {
 
 	function csrf_ignore($method) {
 		$csrf_ignored = array("export", "import");

opml.php

@@ -26,7 +26,7 @@
 		if ($row = $sth->fetch()) {
 			$owner_uid = $row['owner_uid'];
 
-			$opml = new Opml($_REQUEST);
+			$opml = new OPML($_REQUEST);
 			$opml->opml_export("", $owner_uid, true, false);
 
 		} else {