macppc build fails compiling sbin/raidctl/raidctl.c

[Dennis Ferguson <dennis.c.ferguson%gmail.com@localhost>]

The revision 1.46 change to sbin/raidctl/raidctl.c makes macppc
builds (at least) unhappy:

#   compile  raidctl/raidctl.o
/usr/src/obj/tooldir.NetBSD-5.99.24-amd64/bin/powerpc--netbsd-gcc -O2  -Wall -Ws
trict-prototypes -Wmissing-prototypes -Wpointer-arith -Wno-sign-compare -Wno-tra
ditional -Wa,--fatal-warnings -Wreturn-type -Wswitch -Wshadow -Wcast-qual -Wwrit
e-strings -Wextra -Wno-unused-parameter -Wsign-compare -std=gnu99  -Werror   -no
stdinc -isystem /usr/src/obj/destdir.macppc/usr/include  -c    /usr/src/sbin/rai
dctl/raidctl.c
cc1: warnings being treated as errors
/usr/src/sbin/raidctl/raidctl.c: In function 'rf_output_pmstat':
/usr/src/sbin/raidctl/raidctl.c:507: warning: comparison between signed and unsi
gned

Dennis Ferguson