[tlbuild] ICU build failures

[Karl Berry]

            case "${host}" in
            *-*-solaris*)
                CXXFLAGS="$OLD_CXXFLAGS"
                ;;
            esac

I commented out that block in TL's
Build/source/libs/icu/icu-src/source/configure. Thanks. Will be
interesting to see their response to your bug report at
http://bugs.icu-project.org/trac/ticket/13543. -k