* Follow up ac04d20
* Fixed wrong usage of SI_INCSTR which it should be SI_CHASEWALK2, the only effect of SC_CHASEWALK2, STR bonus of Chasewalk
* Fixed http://rathena.org/board/tracker/issue-8880-dbimport-files, Produce and Change Material DB can't be helped. :P

Signed-off-by: Cydh Ramdh <house.bad@gmail.com>