Added check for pressing the Cancel button in the file dialog

The Destination field should not be changed if the cancel button is pressed in the file dialog

Signed-off-by: ormorph <roma251078@mail.ru>

src/kstreamripper.cpp

@@ -307,6 +307,7 @@ void KStreamRipper::browseButtonClicked()
     TQString openDest = KFileDialog::getExistingDirectory( TQDir::homeDirPath(),
                                                           this,
                                                           "Select Destination..." );
+    if ( !openDest.isEmpty() )
         m_destEdit->setText( openDest );
 }