Simplify charToHex()
Simplify charToHex()

svn path=/trunk/libcss/; revision=8384

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