fix double path concatenation

dashboard-ui/scripts/tvupcoming.js

@@ -0,0 +1,42 @@
+(function ($, document) {
+
+    $(document).on('pagebeforeshow', "#tvUpcomingPage", function () {
+
+        var page = this;
+
+        var options = {
+
+            SortBy: "PremiereDate,AirTime",
+            SortOrder: "Ascending",
+            IncludeItemTypes: "Episode",
+            Limit: 40,
+            Recursive: true,
+            Fields: "PrimaryImageAspectRatio,SeriesInfo,UserData",
+            HasPremiereDate: true,
+            MinPremiereDate: LibraryBrowser.getDateParamValue(new Date())
+        };
+
+        ApiClient.getItems(Dashboard.getCurrentUserId(), options).done(function (result) {
+
+            if (!result.Items.length) {
+                $('#upcomingItems', page).html("Nothing here. To utilize this feature, please enable future episodes in the dashboard metadata configuration.");
+                return;
+            }
+            $('#upcomingItems', page).html(LibraryBrowser.getPosterViewHtml({
+                items: result.Items,
+                useAverageAspectRatio: true,
+                showLocationTypeIndicator: false,
+                showNewIndicator: false,
+                shape: "backdrop",
+                showTitle: true,
+                showParentTitle: true,
+                showPremiereDate: true,
+                showPremiereDateIndex: true,
+                preferThumb: true
+            }));
+
+        });
+    });
+
+
+})(jQuery, document);