Fix debug server crash on win-32
Fix debug server crash on win-32

bug=none
test=manual
Review URL: http://codereview.chromium.org/8566048

git-svn-id: e22621a84199d42b34715cdc089545aeedbbf23f@1386 050acbb0-2703-11df-ab0a-9f3f633ae91d

sbc100/nativeclient-sdk,sbc100/nativeclient-sdk,sbc100/nativeclient-sdk,sbc100/nativeclient-sdk,sbc100/nativeclient-sdk,sbc100/nativeclient-sdk,sbc100/nativeclient-sdk