Also munge the expected output to cater for slight oddity in float parsing
Also munge the expected output to cater for slight oddity in float parsing

svn path=/trunk/libcss/; revision=6108

zhuyadong/libcss,prepare/netsurf_libcss,servo/libcss,servo/libcss,zhuyadong/libcss,prepare/netsurf_libcss,prepare/netsurf_libcss,zhuyadong/libcss,servo/libcss