Change qHash() to work with size_t instead of uint

This is required, so that QHash and QSet can hold more
than 2^32 items on 64 bit platforms.

The actual hashing functions for strings are still 32bit, this will
be changed in a follow-up commit.

Change-Id: I4372125252486075ff3a0b45ecfa818359fe103b
Reviewed-by: Mårten Nordheim <marten.nordheim@qt.io>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/kernel/qguiapplication_p.h b/src/gui/kernel/qguiapplication_p.h
index ab1e6a46cd..8ce8f2b2d6 100644
--- a/src/gui/kernel/qguiapplication_p.h
+++ b/src/gui/kernel/qguiapplication_p.h
@@ -372,7 +372,7 @@ private:
     static qreal m_maxDevicePixelRatio;
 };
 
-Q_GUI_EXPORT uint qHash(const QGuiApplicationPrivate::ActiveTouchPointsKey &k);
+Q_GUI_EXPORT size_t qHash(const QGuiApplicationPrivate::ActiveTouchPointsKey &k, size_t seed = 0);
 
 Q_GUI_EXPORT bool operator==(const QGuiApplicationPrivate::ActiveTouchPointsKey &a,
                              const QGuiApplicationPrivate::ActiveTouchPointsKey &b);