Bug 533093: ux_wait_timeout needs the same fix of rev. 1.3 (remove % 256 from $?) for the "if ($ltimeout == 0)" case.  r=christophe.
Bug 533093: ux_wait_timeout needs the same fix of rev. 1.3 (remove % 256
from $?) for the "if ($ltimeout == 0)" case.  r=christophe.

makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub,makotokato/nsprpub