shell: do not double-init a region

weston_surface_create() already inits the opaque region, so the second
init in create_black_surface() is logically wrong. Whether this was a
memory leak or not, depends on Pixman internals.

Fini before initing again.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
1 file changed