[Packaging] Fix centos-7 build

[asfimport]

This is the only failing build: https://travis-ci.org/kszucs/crossbow/builds/404781005

Reporter: Krisztian Szucs / @kszucs
Assignee: Kouhei Sutou / @kou

PRs and other links:

• GitHub Pull Request #2280

_{Note: This issue was originally created as ARROW-2868. Please see the migration documentation for further details.}

[asfimport]

Krisztian Szucs / @kszucs:
@kou could You take a look at this?

[asfimport]

Kouhei Sutou / @kou:
Sure!
I've created a pull request for this.

[asfimport]

Krisztian Szucs / @kszucs:
Testing it in build https://travis-ci.org/kszucs/crossbow/builds/405266989

[asfimport]

Uwe Korn / @xhochy:
Issue resolved by pull request 2280
#2280