Wayland+GLUT: fix crash in glut_test application - cont'd

src/drivers/Wayland/Fl_Wayland_Gl_Window_Driver.cxx

@@ -263,6 +263,9 @@ void Fl_Wayland_Gl_Window_Driver::delete_gl_context(GLContext context) {
     cached_context = 0;
     cached_window = 0;
   }
+  if (eglGetCurrentContext() == (EGLContext)context) {
+    eglMakeCurrent(egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+  }
   eglDestroyContext(egl_display, (EGLContext)context);
   eglDestroySurface(egl_display, egl_surface);
   egl_surface = NULL;

src/drivers/Wayland/Fl_Wayland_Screen_Driver.cxx

@@ -1279,8 +1279,7 @@ static const struct wl_callback_listener sync_listener = {
 
 
 static void do_atexit() {
-  if (Fl_Wayland_Screen_Driver::wl_display &&
+  if (Fl_Wayland_Screen_Driver::wl_display) {
-      (!Fl::first_window() || !Fl::first_window()->as_gl_window())) {
     wl_display_roundtrip(Fl_Wayland_Screen_Driver::wl_display);
   }
 }