status: workaround sip memory leak

sip v4.14.7 and below leak memory in parent.takeChildren().
Use parent.takeChild(0) in a loop instead.  This is
backwards-compatible and avoids the leak.

Reported-by: Matti Aarnio <oh2mqk@gmail.com>
Signed-off-by: David Aguilar <davvid@gmail.com>