egl/dri2: Mark potentially unused 'display' variable with MAYBE_UNUSED

Sometimes there is no X11 platform.

Signed-off-by: Kristian H. Kristensen <hoegsberg@google.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 9d8a4d9..d584bcc 100644 (file)
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -115,7 +115,7 @@ static GLboolean
 dri_is_thread_safe(void *loaderPrivate)
 {
    struct dri2_egl_surface *dri2_surf = loaderPrivate;
-   _EGLDisplay *display =  dri2_surf->base.Resource.Display;
+   MAYBE_UNUSED _EGLDisplay *display =  dri2_surf->base.Resource.Display;
 
 #ifdef HAVE_X11_PLATFORM
    Display *xdpy = (Display*)display->PlatformDisplay;