gtkutil: fix gtk3 compilation (produced build still doesn't work anyway)

diff --git a/libs/gtkutil/glwidget.cpp b/libs/gtkutil/glwidget.cpp
index 52cec49cf2a58d329001a7ad12a2e1ad7dfc4926..53478d0df0fe354e62fb9311994c016d2de75412 100644 (file)
--- a/libs/gtkutil/glwidget.cpp
+++ b/libs/gtkutil/glwidget.cpp
@@ -78,7 +78,7 @@ GdkGLContext *glwidget_context_created(ui::GLArea self)
 
 ui::GLArea glwidget_new(bool zbuffer)
 {
-    auto self = ui::GLArea(GTK_GL_AREA(gtk_gl_area_new()));
+    auto self = ui::GLArea::from(GTK_GL_AREA(gtk_gl_area_new()));
     gtk_gl_area_set_has_depth_buffer(self, zbuffer);
     gtk_gl_area_set_auto_render(self, false);