ivi-shell: destroy desktop

Fixes ASan reported leaks:

Direct leak of 88 byte(s) in 1 object(s) allocated from:
    #0 0x7fcdc7382518 in calloc (/lib/x86_64-linux-gnu/libasan.so.5+0xe9518)
    #1 0x7fcdc2d902f3 in zalloc ../../git/weston/include/libweston/zalloc.h:38
    #2 0x7fcdc2d91cc2 in weston_desktop_xwayland_init ../../git/weston/libweston-desktop/xwayland.c:410
    #3 0x7fcdc2d89aef in weston_desktop_create ../../git/weston/libweston-desktop/libweston-desktop.c:87
    #4 0x7fcdc2db7300 in wet_shell_init ../../git/weston/ivi-shell/ivi-shell.c:642
    #5 0x7fcdc7261de5 in wet_load_shell ../../git/weston/compositor/main.c:956
    #6 0x7fcdc7272baa in wet_main ../../git/weston/compositor/main.c:3410
    #7 0x55e12a669e29 in execute_compositor ../../git/weston/tests/weston-test-fixture-compositor.c:432
    #8 0x55e12a66d85d in weston_test_harness_execute_as_client ../../git/weston/tests/weston-test-runner.c:528
    #9 0x55e12a65dc48 in fixture_setup ../../git/weston/tests/ivi-layout-test-client.c:48
    #10 0x55e12a65dcca in fixture_setup_run_ ../../git/weston/tests/ivi-layout-test-client.c:50
    #11 0x55e12a66de12 in main ../../git/weston/tests/weston-test-runner.c:661
    #12 0x7fcdc6ed709a in __libc_start_main ../csu/libc-start.c:308
    #13 0x55e12a65d769 in _start (/home/pq/build/weston-meson/tests/test-ivi-layout-client+0xd769)

Indirect leak of 152 byte(s) in 1 object(s) allocated from:
    #0 0x7fcdc7382518 in calloc (/lib/x86_64-linux-gnu/libasan.so.5+0xe9518)
    #1 0x7fcdc2d89811 in zalloc ../../git/weston/include/libweston/zalloc.h:38
    #2 0x7fcdc2d8992d in weston_desktop_create ../../git/weston/libweston-desktop/libweston-desktop.c:65
    #3 0x7fcdc2db7300 in wet_shell_init ../../git/weston/ivi-shell/ivi-shell.c:642
    #4 0x7fcdc7261de5 in wet_load_shell ../../git/weston/compositor/main.c:956
    #5 0x7fcdc7272baa in wet_main ../../git/weston/compositor/main.c:3410
    #6 0x55e12a669e29 in execute_compositor ../../git/weston/tests/weston-test-fixture-compositor.c:432
    #7 0x55e12a66d85d in weston_test_harness_execute_as_client ../../git/weston/tests/weston-test-runner.c:528
    #8 0x55e12a65dc48 in fixture_setup ../../git/weston/tests/ivi-layout-test-client.c:48
    #9 0x55e12a65dcca in fixture_setup_run_ ../../git/weston/tests/ivi-layout-test-client.c:50
    #10 0x55e12a66de12 in main ../../git/weston/tests/weston-test-runner.c:661
    #11 0x7fcdc6ed709a in __libc_start_main ../csu/libc-start.c:308
    #12 0x55e12a65d769 in _start (/home/pq/build/weston-meson/tests/test-ivi-layout-client+0xd769)

Indirect leak of 72 byte(s) in 1 object(s) allocated from:
    #0 0x7fcdc7382518 in calloc (/lib/x86_64-linux-gnu/libasan.so.5+0xe9518)
    #1 0x7fcdc2d8a5ae in zalloc ../../git/weston/include/libweston/zalloc.h:38
    #2 0x7fcdc2d8a89e in weston_desktop_client_create ../../git/weston/libweston-desktop/client.c:108
    #3 0x7fcdc2d91d2a in weston_desktop_xwayland_init ../../git/weston/libweston-desktop/xwayland.c:415
    #4 0x7fcdc2d89aef in weston_desktop_create ../../git/weston/libweston-desktop/libweston-desktop.c:87
    #5 0x7fcdc2db7300 in wet_shell_init ../../git/weston/ivi-shell/ivi-shell.c:642
    #6 0x7fcdc7261de5 in wet_load_shell ../../git/weston/compositor/main.c:956
    #7 0x7fcdc7272baa in wet_main ../../git/weston/compositor/main.c:3410
    #8 0x55e12a669e29 in execute_compositor ../../git/weston/tests/weston-test-fixture-compositor.c:432
    #9 0x55e12a66d85d in weston_test_harness_execute_as_client ../../git/weston/tests/weston-test-runner.c:528
    #10 0x55e12a65dc48 in fixture_setup ../../git/weston/tests/ivi-layout-test-client.c:48
    #11 0x55e12a65dcca in fixture_setup_run_ ../../git/weston/tests/ivi-layout-test-client.c:50
    #12 0x55e12a66de12 in main ../../git/weston/tests/weston-test-runner.c:661
    #13 0x7fcdc6ed709a in __libc_start_main ../csu/libc-start.c:308
    #14 0x55e12a65d769 in _start (/home/pq/build/weston-meson/tests/test-ivi-layout-client+0xd769)

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>

ivi-shell/ivi-shell.c

@@ -346,6 +346,8 @@ shell_destroy(struct wl_listener *listener, void *data)
 	wl_list_remove(&shell->destroy_listener.link);
 	wl_list_remove(&shell->wake_listener.link);
 
+	weston_desktop_destroy(shell->desktop);
+
 	wl_list_for_each_safe(ivisurf, next, &shell->ivi_surface_list, link) {
 		if (ivisurf->layout_surface != NULL)
 			layout_surface_cleanup(ivisurf);