* inf-ttrace.c (inf_ttrace_pid_to_str): Use snprintf instead of

* inf-ttrace.c (inf_ttrace_pid_to_str): Use snprintf instead of
sprintf.
* target.c (normal_pid_to_str): Likewise.
* remote.c (remote_pid_to_str): Use snprint instead of sprintf.
Change capitalization of "thread".  Use ptid_get_pid instead of
GETPID.