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-rw-r--r--vcl/opengl/x11/gdiimpl.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/vcl/opengl/x11/gdiimpl.cxx b/vcl/opengl/x11/gdiimpl.cxx
index bcb533b56bf8..6f230ce81360 100644
--- a/vcl/opengl/x11/gdiimpl.cxx
+++ b/vcl/opengl/x11/gdiimpl.cxx
@@ -81,7 +81,7 @@ namespace
{
private:
errorHandler oldErrorHandler;
- Display* mdpy;
+ Display* const mdpy;
public:
TempErrorHandler(Display* dpy, errorHandler newErrorHandler)