[pushed] callback.h:struct host_callback_struct compilation error on Windows hosts.

[Yao Qi]

Joel Brobecker <brobecker@adacore.com> writes:

> On Windows, a recent gnulib update imported the lstat module, and
> this caused a remote-sim.c build failure in struct host_callback_struct:

Sorry for breaking the build.  I tested my patches by rebuilding native
gdb on mingw32 host, so remote-sim.c isn't compiled at all.

Your fix looks reasonable to me, and thanks for fixing this build failure.

-- 
Yao (齐尧)