Convert the rest of mh.c to use BUFFER for file paths.

  * mh_read_sequences
  * mh_sequences_changed
  * mh_already_notified
  * mh_mkstemp
  * mh_update_sequences
  * mh_sequences_add_one
  * maildir_update_time
  * maildir_delayed_parsing
  * maildir_open_mailbox_append
  * mh_open_mailbox_append
  * maildir_mh_open_message
  * maildir_open_new_message
  * _mh_commit_message
  * mh_rewrite_message
  * mh_sync_mailbox
  * mh_check_mailbox
  * maildir_check_empty
  * mx_is_maildir
  * mx_is_mh()
4 jobs for master in 14 minutes and 27 seconds
Status Job ID Name Coverage
  Build
passed #107250075
gnutls

00:12:50

passed #107250073
openssl

00:13:00

 
  Deploy
passed #107250076
pages

00:01:26

passed pages:deploy

00:00:00