compiling on Solaris

[John Harres <John Harres Central Sun COM>]

Compiling 1.0-pre3 I get:

gcc -DHAVE_CONFIG_H -I. -I. -I..
-DGNOMELOCALEDIR=\""/usr/local/share/locale"\"         -I.. 	-I../libbalsa 
-I../libmutt 	 -I/opt/gnome/include -DNEED_GNOMESUPPORT_H
-I/opt/gnome/lib/gnome-libs/include -I/opt/gnome/lib/glib/include 
-I/opt/gnome/lib/glib/include -I/opt/gnome/include  -g -O2
-I/opt/gnome/lib/glib/include -I/opt/gnome/include -D_REENTRANT         -Wall
-Wno-uninitialized         -Wchar-subscripts -Wmissing-declarations
-Wmissing-prototypes         -Wnested-externs -Wpointer-arith        
-Wno-sign-compare -Wsign-promo         -Werror  -c print.c
cc1: warnings being treated as errors
print.c: In function `print_wrap_string':
print.c:317: warning: subscript has type `char'
make[2]: *** [print.o] Error 1
make[2]: Leaving directory `/home/jharres/balsa-1.0.pre3/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/jharres/balsa-1.0.pre3'
make: *** [all-recursive-am] Error 2

Any suggestions?
-- 
Thank you,
John Harres