Travis-CI: Add missing build dependency dh-exec

Backported from 30b44aaec7.
6 years ago · 28604c349b
1 changed files with 1 additions and 0 deletions
--- a/.travis.yml
+++ b/.travis.yml
@ -56,6 +56,7 @@ matrix:
            - cmake
            - debhelper
            - dh-apparmor
+            - dh-exec
            - dpatch
            - gdb
            - libaio-dev