apps/calendar: check for unset variable

Signed-off-by: Florian Pritz <bluewind@xinu.at>

diff --git a/apps/calendar/lib/object.php b/apps/calendar/lib/object.php
index 4b95f8c2ce33550d6ee594d4d03fabc2c661de3e..0c7649776d598d64af05bbde08d6a8b91fc81b51 100644 (file)
--- a/apps/calendar/lib/object.php
+++ b/apps/calendar/lib/object.php
@@ -426,7 +426,7 @@ class OC_Calendar_Object{
        {
                $title = $request["title"];
                $location = $request["location"];
-               $categories = $request["categories"];
+               $categories = isset($request["categories"]) ? $request["categories"] : null;
                $allday = isset($request["allday"]);
                $from = $request["from"];
                $fromtime = $request["fromtime"];