* aux_syscalls.stp (_struct_timeval_u): New function.
(_struct_timeval): New function.
(_struct_timespec_u): New function.
(_struct_timespec): New function.
(_struct_itimerval_u): New function:
(_struct_itimerval): New function:
(_signal_name): New function.
(_module_flags_str): Fixed.
* syscalls2.stp (syscall.setitimer): Use new function
_struct_itimerval_u().