[gnome-themes-extra/gitlab-ci] Try installing less of GNOME

[Juraj Fiala <jurf src gnome org>]

commit 2bb946b71c29c99a93d478edc033765b92aa0535
Author: Juraj Fiala <jurf riseup net>
Date:   Fri Mar 2 12:04:00 2018 +0000

    Try installing less of GNOME

 .gitlab-ci.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 63111845..5391ab65 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -9,7 +9,7 @@ build:
   # instead of calling g++ directly you can also use some build toolkit like make
   # install the necessary build tools when needed
   before_script: 
-    - apt update && apt -y --no-install-recommends --no-install-suggests install make autoconf gnome-common 
gtk+2.0
+    - apt update && apt -y --no-install-recommends --no-install-suggests install make autoconf gnome-common 
libgtk2.0-dev
   script: 
     - ./autogen.sh --disable-gtk3-engine
     - make