t/spf.t - make disabling of this test more selective: if Sys::Hostname::Long does not exists that is just fine
t/spf.t - make disabling of this test more selective: if Sys::Hostname::Long does not exists that is just fine

git-svn-id: e9fe9b84e32fc5e57b7d09c40cd78b14ea28ed71@1429002 13f79535-47bb-0310-9956-ffa450edef68

apache/spamassassin,apache/spamassassin,apache/spamassassin,apache/spamassassin,apache/spamassassin