[Heimdal-source-changes] [heimdal/heimdal] 37dee9: travis: Use ccache to speed up builds

[Nico Williams]

  Branch: refs/heads/master
  Home:   https://github.com/heimdal/heimdal
  Commit: 37dee9bbc3cefdbe772ef68881f54ac743fd8715
      https://github.com/heimdal/heimdal/commit/37dee9bbc3cefdbe772ef68881f54ac743fd8715
  Author: Nicolas Williams <nico at twosigma.com>
  Date:   2020-04-24 (Fri, 24 Apr 2020)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  travis: Use ccache to speed up builds