Add missing unintialized member in QQuickPathAnimationUpdater

Change-Id: Ia242a405949d9ca85089101c5368acd564932a05
Reviewed-by: Michael Brasser <michael.brasser@nokia.com>

src/quick/items/qquickitemanimation_p_p.h

@@ -89,7 +89,7 @@ public:
 class QQuickPathAnimationUpdater : public QQuickBulkValueUpdater
 {
 public:
-    QQuickPathAnimationUpdater() : path(0), target(0), reverse(false),
+    QQuickPathAnimationUpdater() : path(0), pathLength(0), target(0), reverse(false),
         fromSourced(false), fromDefined(false), toDefined(false),
         toX(0), toY(0), currentV(0), orientation(QQuickPathAnimation::Fixed),
         entryInterval(0), exitInterval(0) {}