[squid-users] sqdui3.0 stable 16 get error on centos 4.7 64bit

hi,all
        when I install the squid3.0 stable16 in the centos 4.7 64bit
os, get a error like this:

client_side.cc: In function `int
connKeepReadingIncompleteRequest(RefCount<ConnStateData>&)':
client_side.cc:2144: warning: comparison between signed and unsigned
integer expressions
make[3]: *** [client_side.o] Error 1
make[3]: Leaving directory `/opt/src/tmp/squid-3.0.STABLE16/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/opt/src/tmp/squid-3.0.STABLE16/src'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/opt/src/tmp/squid-3.0.STABLE16/src'
make: *** [all-recursive] Error 1

what's the reason.

-- 
Huang Mingyou