Follow-up to 49df787e2c2faa2621b5490c6e88c86a4b7a813f
Follow-up to 49df787e2c2faa2621b5490c6e88c86a4b7a813f

- Corrected a wrong structure member being used in a mob db lookup.
- Fixes bugreport:8516, special thanks to Valo
  http://hercules.ws/board/tracker/issue-8516-quest-add-looks-up-objective-count-instead-of-mob-id

Signed-off-by: Haru <f7976dc425bcce048120127956a7ec59259f4452@dotalux.com>

Nipol/Siesta,Nipol/Siesta,Nipol/Siesta