[ruby-cvs:56952] nobu:r49802 (trunk): .travis.yml: do not ignore diff

[nobu at ruby-lang.org]

nobu	2015-03-02 13:35:12 +0900 (Mon, 02 Mar 2015)

  New Revision: 49802

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=49802

  Log:
    .travis.yml: do not ignore diff
    
    * .travis.yml (before_script): confured results with/without cache
      must be same.

  Modified files:
    trunk/.travis.yml