click compiler err: g++ bug

[Eddie Kohler]

> did you know that if you set the optimization level to 0 (-O0) when
> compiling the userlevel, g++ dies with an internal compiler error on
> icmppingrewriter.cc, in the function apply_pattern (i think).
> 
> g++ --version: 2.95.3

max% cvs ci -m 'remove ?: that was causing a crash on gcc-2.95.3, for my lover Douglas' elements/icmp 
cvs commit: Examining elements/icmp
Checking in elements/icmp/icmppingrewriter.cc;
/home/butt/click/cvsroot/release/one/elements/icmp/icmppingrewriter.cc,v <--  icmppingrewriter.cc
new revision: 1.14; previous revision: 1.13
done
max%