Fixes for using unitialized variables reported by valgrind.

src/comm/MAVLinkSimulationWaypointPlanner.cc

@@ -436,6 +436,8 @@ MAVLinkSimulationWaypointPlanner::MAVLinkSimulationWaypointPlanner(MAVLinkSimula
     link(parent),
     idle(false),
     current_active_wp_id(-1),
+    yawReached(false),
+    posReached(false),
     timestamp_lastoutside_orbit(0),
     timestamp_firstinside_orbit(0),
     waypoints(&waypoints1),

src/uas/UAS.cc

@@ -82,8 +82,8 @@ UAS::UAS(MAVLinkProtocol* protocol, QThread* thread, int id) : UASInterface(),
     lpVoltage(12.0f),
     currentCurrent(0.4f),
     batteryRemainingEstimateEnabled(false),
-    // chargeLevel not initialized
-    // timeRemaining  not initialized
+    chargeLevel(-1),
+    timeRemaining(0),
     lowBattAlarm(false),
 
     startTime(QGC::groundTimeMilliseconds()),

src/ui/linechart/LinechartWidget.cc

@@ -72,7 +72,8 @@ LinechartWidget::LinechartWidget(int systemid, QWidget *parent) : QWidget(parent
     logging(false),
     logStartTime(0),
     updateTimer(new QTimer()),
-    selectedMAV(-1)
+    selectedMAV(-1),
+    lastTimestamp(0)
 {
     // Add elements defined in Qt Designer
     ui.setupUi(this);

src/ui/uas/UASQuickView.cc

@@ -5,7 +5,8 @@
 #include "UASQuickViewTextItem.h"
 #include <QSettings>
 #include <QInputDialog>
-UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent)
+UASQuickView::UASQuickView(QWidget *parent) : QWidget(parent),
+    uas(NULL)
 {
     quickViewSelectDialog=0;
     m_columnCount=2;