Fix dscp match manpage (zhangxiliang <zhangxiliang@cn.fujitsu.com>)

The description for the value in option "-m dscp -dscp" should be
modified to 0~63.

The option can match 6 bit DSCP field within the TOS field in the IP
header. So the range for the option should be 0~(26-1) that is 0~63.
1 file changed