misc: fix spelling

s/pupulate/populate

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20180208162447.10851-1-marcandre.lureau@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

util/qemu-coroutine-lock.c

@@ -89,7 +89,7 @@ void qemu_co_queue_run_restart(Coroutine *co)
      * invalid memory.  Therefore, use a temporary queue and do not touch
      * the "co" coroutine as soon as you enter another one.
      *
-     * In its turn resumed "co" can pupulate "co_queue_wakeup" queue with
+     * In its turn resumed "co" can populate "co_queue_wakeup" queue with
      * new coroutines to be woken up.  The caller, who has resumed "co",
      * will be responsible for traversing the same queue, which may cause
      * a different wakeup order but not any missing wakeups.