[fvwmorg/fvwm3] c7b9fd: TRAVIS: fix build

[Thomas Adam]

  Branch: refs/heads/ta/rip-out
  Home:   https://github.com/fvwmorg/fvwm3
  Commit: c7b9fd0a311ed83d2f8cc294bf7c4bf044c6b6fa
      
https://github.com/fvwmorg/fvwm3/commit/c7b9fd0a311ed83d2f8cc294bf7c4bf044c6b6fa
  Author: Thomas Adam <tho...@fvwm.org>
  Date:   2019-04-16 (Tue, 16 Apr 2019)

  Changed paths:
    M .travis.yml

  Log Message:
  -----------
  TRAVIS: fix build