X87: fix the bug which is introduced by R24169.

    Two more DeoptimizeIf(...) are added so the branch distance changed.
    we need to use Label::kFar.

BUG=
R=weiliang.lin@intel.com

Review URL: https://codereview.chromium.org/598353002

Patch from Chunyang Dai <chunyang.dai@intel.com>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24226 ce2b1a6d-e550-0410-aec6-3dcde31c8c00