Remove Win32 platform from hello_world_gles example

Also, add NaCl32 platform as per christian's request.

BUG=

Review URL: https://codereview.chromium.org/11087056

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1438 050acbb0-2703-11df-ab0a-9f3f633ae91d
2 files changed