t9001: use older Getopt::Long boolean prefix '--no' rather than '--no-'
The '--no-chain-reply-to' option is a Getopt::Long boolean option. The '--no-' prefix (as in --no-chain-reply-to) for boolean options is not supported in Getopt::Long version 2.32 which was released with Perl 5.8.0. This version only supports '--no' as in '--nochain-reply-to'. More recent versions of Getopt::Long, such as version 2.34, support either prefix. So use the older form in the tests.