monsters don't yet have any miscast effects for that school.
git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7008 c06c8d41-db1a-0410-9941-cceddc491573
37NLMXYLDTNPWXKWZ4F3TBMNA7CKL5L6TSUJMA2JY26TCJUUE54AC
int exp = (random2(SPTYP_LAST_EXPONENT));
sp_type = (spschool_flag_type) (1 << exp);
// XXX: Monsters currently have no divintation miscasts.
do
{
int exp = (random2(SPTYP_LAST_EXPONENT));
sp_type = (spschool_flag_type) (1 << exp);
} while (sp_type == SPTYP_DIVINATION
&& target->atype() == ACT_MONSTER);