Fix comma separated list parsing
Fix comma separated list parsing

svn path=/trunk/libcss/; revision=8067

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