mr_discussion: Use mrDiscussionMsg instead of noteMsg
mr_discussion: Use mrDiscussionMsg instead of noteMsg

Use mrDiscussionMsg instead of noteMsg in the mr_discussion code.

Signed-off-by: Prarit Bhargava <fe4655370dc87a32329d591d6e8472329333dfad@redhat.com>

zaquestion/lab,zaquestion/lab