Fixed an issue where TagTunes would crash when the user selected an outdated track

TagTunes/MainViewController.swift

@@ -684,20 +684,9 @@ extension MainViewController: NSUserInterfaceValidations {
     }
     
     private func canSave() -> Bool {
-        for row in outlineView.selectedRowIndexes where sectionOfRow(row) == .Albums {
-            let item = outlineView.itemAtRow(row)
-            if let album = item as? Album {
-                if !album.saved {
-                    return true
-                }
-            } else if let track = item as? Track {
-                if !track.saved {
-                    return true
-                }
-            } else if let track = item as? iTunesTrack {
-                if parentForTrack(track)?.saved == false {
-                    return true
-                }
+        for row in outlineView.selectedRowIndexes {
+            if sectionOfRow(row) == .Albums {
+                return true
             }
         }
         return false