Use Utils::sum_range straight into ICMP checksum value
Use Utils::sum_range straight into ICMP checksum value

mfontanini/libtins,rklabs/libtins,viveks9/decrypt80211,UlfWetzker/libtins,rklabs/libtins,mfontanini/libtins,viveks9/decrypt80211,UlfWetzker/libtins