kmsdrm: delete ununsed variable.
diff --git a/src/video/kmsdrm/SDL_kmsdrmvideo.h b/src/video/kmsdrm/SDL_kmsdrmvideo.h
index 8a36778..d152792 100644
--- a/src/video/kmsdrm/SDL_kmsdrmvideo.h
+++ b/src/video/kmsdrm/SDL_kmsdrmvideo.h
@@ -137,8 +137,6 @@ typedef struct SDL_DisplayData
EGLSurface old_egl_surface;
#endif
- SDL_bool destroy_surfaces_pending;
-
dumb_buffer *dumb_buffer; /* Aux dumb buffer to keep the PRIMARY PLANE
entertained with when we destroy GBM surface. */