Only free Render filter names on last screen close

Hotplugging screens causes the render filter names to get freed while
still in use; wait for the last core screen to be closed before
freeing them. That only happens at server reset, when we want them to
be freed.

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

0 files changed, 0 insertions, 0 deletions