Changed VS add-in to use nacl-gdb

Switched from the Custom GDB hack to the real nacl-gdb.

BUG=136414

Review URL: https://chromiumcodereview.appspot.com/10830104

git-svn-id: https://nativeclient-sdk.googlecode.com/svn/trunk/src@1406 050acbb0-2703-11df-ab0a-9f3f633ae91d
5 files changed