Fix dangling shader manager pointers

The QGLEngineShaderManager pointers in QGLCustomShaderStagePrivate have
been changed to QPointers to prevent the QGLPixmapFilters in
QGL2PaintEngineEx from dereferencing the QGLEngineShaderManager after
it is destroyed.

Reviewed-by: Rhys Weatherley

1 files changed, 1 insertions, 1 deletions

diff --git a/src/opengl/gl2paintengineex/qglcustomshaderstage.cpp b/src/opengl/gl2paintengineex/qglcustomshaderstage.cpp
index 24606bc..ab2026c 100644
--- a/src/opengl/gl2paintengineex/qglcustomshaderstage.cpp
+++ b/src/opengl/gl2paintengineex/qglcustomshaderstage.cpp
@@ -52,7 +52,7 @@ public:
     QGLCustomShaderStagePrivate() :
         m_manager(0) {}
 
-    QGLEngineShaderManager* m_manager;
+    QPointer<QGLEngineShaderManager> m_manager;
     QByteArray              m_source;
 };