Added space back in between vcvarsall.bat && and subsequent command
Added space back in between vcvarsall.bat && and subsequent command

BUG=None
TEST=Ran on Windows Trybot

Review URL: http://codereview.chromium.org/7064002

git-svn-id: e22621a84199d42b34715cdc089545aeedbbf23f@875 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