Filter out GL_NONE enum from GL_EGL_KHR_context_flush_control

auto/bin/filter_gl_ext.sh

@@ -496,10 +496,14 @@ EOT
     grep -v 'glBlendBarrierKHR' $1/GL_KHR_blend_equation_advanced_coherent > tmp
     mv tmp $1/GL_KHR_blend_equation_advanced_coherent
 
-# Filter out GL_NONE enum from GL_KHR_robustness
+# Filter out GL_NONE enum from GL_KHR_context_flush_control
     grep -v 'GL_NONE' $1/GL_KHR_context_flush_control > tmp
     mv tmp $1/GL_KHR_context_flush_control
 
+# Filter out GL_NONE enum from GL_EGL_KHR_context_flush_control
+    grep -v 'GL_NONE' $1/GL_EGL_KHR_context_flush_control > tmp
+    mv tmp $1/GL_EGL_KHR_context_flush_control
+
 # Filter out CoverageModulation from NV_framebuffer_mixed_samples
 # Superset of EXT_raster_multisample