[librsvg] CI: Minor yaml formatting change

[Jordan Petridis <jpetridis src gnome org>]

commit 82604290de78127d2becc552d9da40f355f11517
Author: Jordan Petridis <jpetridis gnome org>
Date:   Thu Oct 11 10:55:57 2018 +0300

    CI: Minor yaml formatting change

 .gitlab-ci.yml | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0b8d8982..bc6f4957 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -144,11 +144,10 @@ tarball:
     LIBRSVG_DEBUG: "yes"
   script:
     - rustc --version && cargo --version
-    - |
-      mkdir -p _build
-      cd _build
-      ../autogen.sh --enable-gtk-doc --enable-vala
-      make distcheck DESTDIR=/tmp/distcheck
+    - mkdir -p _build
+    - cd _build
+    - ../autogen.sh --enable-gtk-doc --enable-vala
+    - make distcheck DESTDIR=/tmp/distcheck
   <<: *stage_2
 
 # STAGE 2 CROSS DISTRO TESTS