raidboss: fix e4s boulders (#597)
raidboss: fix e4s boulders (#597)

The newest ffxiv plugin adds an additional field to 15/16 logs.

quisquous/cactbot,quisquous/cactbot,quisquous/cactbot,quisquous/cactbot,quisquous/cactbot,quisquous/cactbot