Implement a settingsChanged in DivePlannerWidget

This is so we can default to the GF's from the preferences. We need the
bail handler in createTemporaryPlan, because its triggered when we
change GF's, and if we don't have a stagingDive there, we will access a
NULL-pointer.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/diveplanner.h

@@ -236,6 +236,7 @@ public:
     explicit DivePlannerWidget(QWidget* parent = 0, Qt::WindowFlags f = 0);
 
 public slots:
+	void settingsChanged();
 	void atmPressureChanged(const QString& pressure);
 	void bottomSacChanged(const QString& bottomSac);
 	void decoSacChanged(const QString& decosac);