Fixed a crash when the user canceled the download from webservice dialog.

Null references, ah, love them.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>

qt-ui/subsurfacewebservices.cpp

@@ -16,6 +16,7 @@ struct dive_table gps_location_table;
 static bool merge_locations_into_dives(void);
 
 WebServices::WebServices(QWidget* parent, Qt::WindowFlags f): QDialog(parent, f)
+, reply(0)
 {
 	ui.setupUi(this);
 	connect(ui.buttonBox, SIGNAL(clicked(QAbstractButton*)), this, SLOT(buttonClicked(QAbstractButton*)));