docs: add GL_ARB_robustness to 7.11 release notes
diff --git a/docs/relnotes-7.11.html b/docs/relnotes-7.11.html
index b57fe9b..93a9582 100644
--- a/docs/relnotes-7.11.html
+++ b/docs/relnotes-7.11.html
@@ -41,6 +41,7 @@
<li>GL_ARB_draw_instanced extension (gallium drivers, swrast)
<li>GL_ARB_instanced_arrays extension (gallium drivers)
<li>GL_ARB_occlusion_query2 (gallium drivers, swrast)
+<li>GL_ARB_robustness (all drivers)
<li>GL_ARB_sampler_objects (gallium drivers)
<li>GL_ARB_texture_compression_rgtc (gallium drivers, swrast, i965)
<li>GL_ARB_texture_float (gallium, i965)