Kees Jongenburger 69b8ce6ab2 x86:ensure that getcontext will return 0.
The setcontext method did not alway set the return value to 0 after
restoring the desired context. Specially When calling setcontext with
the _UC_IGNSIGM and the _UC_IGNFPU flags the return value would be non
zero.

Change-Id: Iec7f8d6a680950aa53e3c88c86e03f65005e66b2
2014-07-28 17:05:21 +02:00
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