strace: fix building for arc, metag, nios2, or1k and tile

Following commit broke building for arc, metag, nios2, or1k and tile:
http://sourceforge.net/p/strace/code/ci/34683e3926d8c2daa368afb805da422ee7043396/

Now we're fixing that breakage with a back-port of upstream fix:
http://sourceforge.net/p/strace/code/ci/dd1a80c8d213eed95fe55b7ebcb07ee165dd8e4b/

Mentioned fix will be a part of the next strace release,
i.e. this patch must be removed on strace version bump.

Fixes http://autobuild.buildroot.org/results/f25/f25c23003ed282b935f5289c944615860265364a
and alike, see http://autobuild.buildroot.org/?reason=strace-4.11



Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>