minor comment clarification

*can* reads that it might fail but won't. Instead, this comment means that any
code added below it should not fail, because the network is unlocked and so the
restored process is exposed to the world.
Signed-off-by: Tycho Andersen <tycho.andersen@canonical.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

cr-restore.c

@@ -1822,7 +1822,7 @@ static int restore_root_task(struct pstree_item *init)
 
 	/*
 	 * -------------------------------------------------------------
-	 * Below this line nothing can fail, because network is unlocked
+	 * Below this line nothing should fail, because network is unlocked
 	 */
 
 	ret = restore_switch_stage(CR_STATE_RESTORE_CREDS);