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Diffstat (limited to 'vcl/unx/gtk3/gtk3salnativewidgets-gtk.cxx')
-rw-r--r--vcl/unx/gtk3/gtk3salnativewidgets-gtk.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/vcl/unx/gtk3/gtk3salnativewidgets-gtk.cxx b/vcl/unx/gtk3/gtk3salnativewidgets-gtk.cxx
index 7661ee3ca046..95750805ac4f 100644
--- a/vcl/unx/gtk3/gtk3salnativewidgets-gtk.cxx
+++ b/vcl/unx/gtk3/gtk3salnativewidgets-gtk.cxx
@@ -23,7 +23,7 @@
#include <unx/fontmanager.hxx>
#include "cairo_gtk3_cairo.hxx"
-#include <o3tl/optional.hxx>
+#include <optional>
GtkStyleContext* GtkSalGraphics::mpWindowStyle = nullptr;
GtkStyleContext* GtkSalGraphics::mpButtonStyle = nullptr;