suricata: use clang-provided strl* functions

Closes #26296.
suricata: find libnet in non-standard location
suricata 2.0
suricata: optional geoip support
suricata: add 2.0 bottle.
remove empty file
x11 dep only with x option

x11 with optional rather than conditional
xplanet: update 1.3.0_1 bottle.