Ignore SO_RCVTIMEO errors in emacsclient

* lib-src/emacsclient.c: Include <stdckdint.h>
(timeout): Now signed, and initially -1.  All uses changed.
(decode_options): Do not worry about ERANGE or ranges, as other
code now deal with this; the old code was wrong anyway as it mixed
uintmax_t with INTMAX_MAX and INTMAX_MIN.  But do check for syntax
errors and negative values.
(set_socket_timeout): Don’t time out if the timeout is 0 or enormous.
Silently ignore errors (Bug#81160).
(main): Allow --timeout=0, as per documentation.

0 files changed, 0 insertions, 0 deletions