[gnome-themes-extra] CI: Silence APT

[Juraj Fiala <jurf src gnome org>]

commit 3b4a900365bbead40e14fc707e459ecd560d5eb2
Author: Juraj Fiala <jurf riseup net>
Date:   Fri Mar 2 12:30:10 2018 +0000

    CI: Silence APT

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 27709442..2d44be38 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,7 +6,7 @@ image: gcc
 build:
   stage: build
   before_script: 
-    - apt update && apt -y --no-install-recommends install make autoconf gnome-common libgtk2.0-dev
+    - apt update -qq && apt -y -qq --no-install-recommends install make autoconf gnome-common libgtk2.0-dev
   script: 
     - ./autogen.sh --disable-gtk3-engine
     - make