Fix management of shadow_word_death_reset_cooldown_buff.
Fix management of shadow_word_death_reset_cooldown_buff.

The shadow_word_death_reset_cooldown_buff was never being set due to an
improper class check (find-and-replace error) and the wrong information
would have been set for the buff start and ending times.

git-svn-id: b2bb544abab4b09d60f88077ac82407cb244c9c9@1474 d5049fe3-3747-40f7-a4b5-f36d6801af5f

eXhausted/Ovale,eXhausted/Ovale,ultijlam/ovale,ultijlam/ovale,eXhausted/Ovale,Xeltor/ovale,ultijlam/ovale