Esc key in the FileDialog should close it.

modules/gui/qt4/components/open_panels.cpp

@@ -191,11 +191,13 @@ void FileOpenPanel::accept()
 
 void FileOpenBox::accept()
 {
-    OpenDialog::getInstance( NULL, NULL, true )->selectSlots();
+    OpenDialog::getInstance( NULL, NULL, true )->cancel();
 }
 
 void FileOpenBox::reject()
-{}
+{
+    OpenDialog::getInstance( NULL, NULL, true )->selectSlots();
+}
 
 /* Function called by Open Dialog when clicked on cancel */
 void FileOpenPanel::clear()

modules/gui/qt4/dialogs/open.hpp

@@ -57,6 +57,8 @@ class QTabWidget;
 
 class OpenDialog : public QVLCDialog
 {
+    friend class FileOpenBox;
+
     Q_OBJECT;
 public:
     static OpenDialog * getInstance( QWidget *parent, intf_thread_t *p_intf,