AppDisplay: fix isTerminal() check for apps without .desktop files

If the app has no .desktop file get_app_info() returns null.
This breaks window switching using the dash for those apps.

https://bugzilla.gnome.org/show_bug.cgi?id=722494

diff --git a/js/ui/appDisplay.js b/js/ui/appDisplay.js
index 154ddaa23351620717336db3ca3c74c6ac6f4484..19ba949ee46a148159459b0b1b84086619b281f2 100644 (file)
--- a/js/ui/appDisplay.js
+++ b/js/ui/appDisplay.js
@@ -47,7 +47,10 @@ const PAGE_SWITCH_TRESHOLD = 0.2;
 const PAGE_SWITCH_TIME = 0.3;
 
 function _isTerminal(app) {
-    let categories = app.get_app_info().get_categories() || [];
+    let info = app.get_app_info();
+    if (!info)
+        return false;
+    let categories = info.get_categories() || [];
     return categories.indexOf('TerminalEmulator') > -1;
 }