i965: Have mesa flag BRW_NEW_TEXTURE_BUFFER when a TexBO binding changes

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>

src/mesa/drivers/dri/i965/brw_state_upload.c

@@ -399,6 +399,7 @@ void brw_init_state( struct brw_context *brw )
    ctx->DriverFlags.NewTransformFeedbackProg = BRW_NEW_TRANSFORM_FEEDBACK;
    ctx->DriverFlags.NewRasterizerDiscard = BRW_NEW_RASTERIZER_DISCARD;
    ctx->DriverFlags.NewUniformBuffer = BRW_NEW_UNIFORM_BUFFER;
+   ctx->DriverFlags.NewTextureBuffer = BRW_NEW_TEXTURE_BUFFER;
    ctx->DriverFlags.NewAtomicBuffer = BRW_NEW_ATOMIC_BUFFER;
 }