correct OS detection

tcpdump/tcpdump.spec

@@ -36,7 +36,7 @@ Class:        BASE
 Group:        Capturing
 License:      GPL
 Version:      %{V_tarball}
-Release:      20120103
+Release:      20120521
 
 #   list of sources
 Source0:      http://www.tcpdump.org/release/tcpdump-%{V_tarball}.tar.gz
@@ -67,7 +67,7 @@ PreReq:       libpcap, openssl
 %build
     options=""
     case "%{l_platform -t}" in
-        *-freebsd[5-8].* | *-sunos5.1[01] | *-sunos5.9 | *-linux2.[46]* )
+        *-freebsd[5-9].* | *-sunos5.1[01] | *-sunos5.9 | *-linux2.[46]* | *-linux3.* )
             options="--enable-ipv6"
             ;;
     esac