Build 32 adn 64 bit for Windows
Build 32 adn 64 bit for Windows

On Windows we build both 32 and 64 bit since a 64 bit Windows must use the
64 bit nexes, however it appears as a target_arch of 32 since we build Chrome
as 32 bit on Windows.

TEST= try
BUG= http://code.google.com/p/chromium/issues/detail?id=96782
TRB= bradnelson@chromium.com
Review URL: http://codereview.chromium.org/8299005

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@6935 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client