Problem with bits/sigthread.h

[H.J. Lu]

Hi, Ulrich,

You changed <sys/types.h> for <bits/pthreadtypes.h>. But <signal.h>
still includes <bits/sigthread.h>. As the result, pthread_t in
pthread_kill is not defined. BTW, I am using

-D_POSIX_C_SOURCE=199506 -Uunix

Thanks.

-- 
H.J. Lu (hjl@gnu.org)