Add warning to generated make.cmd (we don't add warning to SDK version in make_native_client_sdk.sh because there are no way to commit file from installed SDK to SVN).
Add warning to generated make.cmd (we don't add warning to SDK
version in make_native_client_sdk.sh because there are no way to
commit file from installed SDK to SVN).

Review URL: http://codereview.chromium.org/2011008

git-svn-id: e22621a84199d42b34715cdc089545aeedbbf23f@319 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