src/sys/net/bpf_filter.c doesn't compile for alpha

[Kurt Schreiner <ks%ub.uni-mainz.de@localhost>]

Hi,

with -current source updated some minutes ago cross building for alpha on
MacOSX fails in src/sys/net/bpf_filter.c (obj and dest cleaned out):

    compile  lib/bpf_filter.o
cc1: warnings being treated as errors
/u/NetBSD/src/sys/net/bpf_filter.c: In function 'bpf_validate':
/u/NetBSD/src/sys/net/bpf_filter.c:477: warning: comparison between signed and 
unsigned
/u/NetBSD/src/sys/net/bpf_filter.c:575: warning: comparison between signed and 
unsigned
/u/NetBSD/src/sys/net/bpf_filter.c:583: warning: comparison between signed and 
unsigned
/u/NetBSD/src/sys/net/bpf_filter.c:583: warning: comparison between signed and 
unsigned

*** Failed target:  bpf_filter.o
*** Failed command: /u/NetBSD/arch/alpha/TOOLS/bin/alpha--netbsd-gcc -O2 -pipe 
-Wall -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith 
-Wno-sign-compare -Wno-traditional -Wa,--fatal-warnings -Wreturn-type -Wswitch 
-Wshadow -Wcast-qual -Wwrite-strings -Wextra -Wno-unused-parameter 
-Wsign-compare -std=gnu99 -Werror -mieee 
-I/u/NetBSD/src/external/bsd/libpcap/lib/../include 
-I/u/NetBSD/src/external/bsd/libpcap/lib 
-I/u/NetBSD/src/external/bsd/libpcap/lib/../dist/ -DYYBISON -DHAVE_CONFIG_H 
-D_U_="__attribute__((__unused__))" -DINET6 -D_FORTIFY_SOURCE=2 -nostdinc 
-isystem /u/NetBSD/arch/alpha/dest/usr/include -c 
/u/NetBSD/src/sys/net/bpf_filter.c -o bpf_filter.o
*** Error code 1

Stop.

Kurt