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-rw-r--r--src/gui/painting/qcolortransform_p.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gui/painting/qcolortransform_p.h b/src/gui/painting/qcolortransform_p.h
index 74a1e7fe0a..5d7116248d 100644
--- a/src/gui/painting/qcolortransform_p.h
+++ b/src/gui/painting/qcolortransform_p.h
@@ -54,9 +54,11 @@
#include "qcolormatrix_p.h"
#include "qcolorspace_p.h"
+#include <QtCore/qshareddata.h>
+
QT_BEGIN_NAMESPACE
-class QColorTransformPrivate
+class QColorTransformPrivate : public QSharedData
{
public:
QColorMatrix colorMatrix;