nmh 1.0.4: inc not incrementing mp->nummsgs

[Jeffrey C Honig]

The symptom is that the first ``inc'' into an empty folder will not
update the unseen sequence.  This is because seq_list() will return NULL
if mp->nummsg is zero.

My proposed fix follows.

Thanks.

Jeff

Index: uip/inc.c
===================================================================
RCS file: /master/contrib/nmh/uip/inc.c,v
retrieving revision 1.2
diff -u -r1.2 inc.c
--- uip/inc.c   2001/06/14 18:59:55     1.2
+++ uip/inc.c   2001/12/08 15:08:01
@@ -756,6 +756,7 @@
 
                msgnum++;
                mp->hghmsg++;
+               mp->nummsg++;
                clear_msg_flags (mp, msgnum);
                set_exists (mp, msgnum);
                set_unseen (mp, msgnum);