jsmin does not have our copyright header and shouldn't have. Exclude

it from the presubmit check.

Review URL: http://codereview.chromium.org/19424

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1180 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

tools/presubmit.py

@@ -175,7 +175,7 @@ class SourceProcessor(SourceFileProcessor):
               or (name == 'obj'))
 
   IGNORE_COPYRIGHTS = ['earley-boyer.js', 'raytrace.js', 'crypto.js',
-      'libraries.cc', 'libraries-empty.cc']
+      'libraries.cc', 'libraries-empty.cc', 'jsmin.py']
   IGNORE_TABS = IGNORE_COPYRIGHTS + ['unicode-test.js',
       'html-comments.js']