Fix implicit fallthrough warning on new gcc
The option -Wimplicit-fallthrough was added to -Wall recently which
generates a few warnings. Based on the comment above the switch, the
fallthrough is on purpose so let's add a comment to avoid the following
warnings.
ovirt-foreign-menu.c: In function 'ovirt_foreign_menu_next_async_step':
ovirt-foreign-menu.c:293:12: warning: this statement may fall through
if (menu->priv->api == NULL) {
^
ovirt-foreign-menu.c:297:5: note: here
case STATE_VM:
^~~~
ovirt-foreign-menu.c:298:12: warning: this statement may fall through
if (menu->priv->vm == NULL) {
^
ovirt-foreign-menu.c:302:5: note: here
case STATE_STORAGE_DOMAIN:
^~~~
ovirt-foreign-menu.c:303:12: warning: this statement may fall through
if (menu->priv->files == NULL) {
^
ovirt-foreign-menu.c:307:5: note: here
case STATE_VM_CDROM:
^~~~
ovirt-foreign-menu.c:308:12: warning: this statement may fall through
if (menu->priv->cdrom == NULL) {
^
ovirt-foreign-menu.c:312:5: note: here
case STATE_CDROM_FILE:
^~~~
Signed-off-by: Victor Toso <victortoso@redhat.com>
Acked-by: Eduardo Lima (Etrunko) <etrunko@redhat.com>