[Nmh-workers] new warning about repeated profile components

[David Levine]

I just added added a warning (on master, not 1.5) to all nmh
programs for multiple profile entries for the same
component.  Until now, all but the first were silently
ignored.

E.g.,

$ cat /tmp/mh_profile
server: -server address@hidden
server: -server address@hidden
Path: .Mail

$ MH=/tmp/mh_profile scan last 2>&1 | head -1
scan: multiple "server" profile components in /tmp/mh_profile, ignoring 
"-server address@hidden", continuing...

David