Balsa dies in compile

["James M. Cape" <jcape jcinteractive com>]

Linux 2.2.1
Glibc 2.1 (99.02.19)
Egcs 1.1.1
Libtool 1.2d
Automake 1.4
Autoconf 2.13

gcc -DHAVE_CONFIG_H -I. -I. -I..
-DGNOMELOCALEDIR=\""/usr/share/locale"\"-I.-I../libbalsa                              
-I..                           
-I../idl-I../idl                                       
-I../libmutt             -I/usr/include -DNEED_GNOMESUPPORT_H
-I/usr/lib/gnome-libs/include -I/usr/lib/glib/include
-I/usr/X11R6/include  -I/usr/X11R6/include -I/usr/lib/glib/include  -O6
-march=pentiumpro -Wall -Wmissing-prototypes -Wpointer-arith -c
balsa-mblist.c
balsa-mblist.c: In function `button_event_press_cb':
balsa-mblist.c:438: structure has no member named `ismbnode'
balsa-mblist.c: In function `select_mailbox':
balsa-mblist.c:463: structure has no member named `ismbnode'
make[2]: *** [balsa-mblist.o] Error 1
make[2]: Leaving directory `/usr/download/gnome/balsa/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/usr/download/gnome/balsa'
make: *** [all-recursive-am] Error 2

    Jim Cape
    http://www.jcinteractive.com

    "All animals are equal, some animals
     are more equal than others."
         -- George Orwell, Animal Farm