fix GitLab CI stuck on tzdata

15 jobs for master in 5 minutes and 3 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #156840972
centos-6

00:02:04

passed #156840973
centos-7

00:03:19

passed #156840971
debian-oldoldstable

00:02:38

passed #156840970
debian-oldstable

00:04:06

passed #156840969
debian-stable

00:03:30

passed #156840968
debian-testing

00:05:01

passed #156840977
fedora-26

00:04:16

passed #156840976
fedora-27

00:04:30

passed #156840975
fedora-28

00:04:18

passed #156840974
fedora-29

00:04:27

passed #156840963
ubuntu-daily

00:04:28

passed #156840964
ubuntu-latest

00:04:09

passed #156840967
ubuntu-lts-1

00:03:28

passed #156840966
ubuntu-lts-2

00:03:41

passed #156840965
ubuntu-lts-3

00:04:07

 
Name Stage Failure
failed
centos-6 Test
/builds/ddennedy/frei0r/src/filter/facebl0r/facebl0r.cpp:223: error: 'CV_AA' was not declared in this scope
/builds/ddennedy/frei0r/src/filter/facebl0r/facebl0r.cpp:223: error: 'cvEllipseBox' was not declared in this scope
/builds/ddennedy/frei0r/src/filter/facebl0r/facebl0r.cpp:232: error: 'cvReleaseImage' was not declared in this scope
/builds/ddennedy/frei0r/src/filter/facebl0r/facebl0r.cpp: At global scope:
/builds/ddennedy/frei0r/src/filter/facebl0r/facebl0r.cpp:236: error: expected constructor, destructor, or type conversion before '*' token
make[2]: *** [src/filter/facebl0r/CMakeFiles/facebl0r.dir/facebl0r.cpp.o] Error 1
make[1]: *** [src/filter/facebl0r/CMakeFiles/facebl0r.dir/all] Error 2
make: *** [all] Error 2
ERROR: Job failed: exit code 2