groff build failure

[Randy Bush]

> On Mon, Nov 08, 2010 at 03:14:02PM +0800, Randy Bush wrote:
>> ===> gnu/usr.bin/groff/src/preproc/eqn (all)
>> c++ -O2 -pipe -I/usr/src/gnu/usr.bin/groff/src/preproc/eqn/../../../../../../contrib/groff/src/preproc/eqn -I. -DHAVE_CONFIG_H -I/usr/src/gnu/usr.bin/groff/src/preproc/eqn/../../../../../../contrib/groff/src/include -I/usr/src/gnu/usr.bin/groff/src/preproc/eqn/../../../src/include -fstack-protector -fno-rtti -fno-exceptions -c eqn.cpp
>> y.tab.c: In function 'int yygrowstack()':
>> y.tab.c:703: error: invalid conversion from 'void*' to 'short int*'
>> y.tab.c:709: error: invalid conversion from 'void*' to 'YYSTYPE*'
>> *** Error code 1
> Can you update to r214990 and confirm things are OK for you?

cc -O2 -pipe  -std=gnu99 -fstack-protector -Wsystem-headers -Werror -Wall -Wno-f
ormat-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpo
inter-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wunused
-parameter -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -c /usr/src/usr.bin/yacc/reader.c
cc1: warnings being treated as errors
/usr/src/usr.bin/yacc/reader.c: In function 'get_literal':
/usr/src/usr.bin/yacc/reader.c:722: warning: comparison between signed and unsigned
/usr/src/usr.bin/yacc/reader.c:738: warning: comparison between signed and unsigned
*** Error code 1

Stop in /usr/src/usr.bin/yacc.
*** Error code 1