[Bug libstdc++/53457] Accommodate non-compliant ioctl() on VxWorks

[rbmj at verizon dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53457

--- Comment #7 from rbmj at verizon dot net 2012-06-25 18:23:02 UTC ---
Fixed with this (approved, but not committed) patch series:
http://gcc.gnu.org/ml/gcc-patches/2012-06/msg00382.html