Fix win_vs2010 to actually use VS2010.
Fix win_vs2010 to actually use VS2010.

The configuration added in r114793 was wrong, these 2 builders were using
VS2008. :(

TBR=nsylvain@chromium.org
BUG=
TEST=


Review URL: http://codereview.chromium.org/9148064

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@117445 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build