4416654 warning filter list in nightly should be cleaned up (fix whitespace)

[peter.memish...@sun.com]

Author: meem
Repository: /hg/onnv/onnv-gate
Revision: 8851b72184143405471b72c4892c90ddb9d9b787
Log message:
4416654 warning filter list in nightly should be cleaned up (fix whitespace)

Files:
        update: usr/src/tools/scripts/nightly.sh