Fix compilation error introduced with r15287.

REGEXP was added to Code::Kind after TO_BOOLEAN_IC, but NUMBER_OF_KINDS,
which is used as array size for table[] in ReportCodeKindStatistics, was
still TO_BOOLEAN_IC + 1 (indirectly via LAST_IC_KIND).

BUG=
R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/17636003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@15315 ce2b1a6d-e550-0410-aec6-3dcde31c8c00