[librsvg] CI: Enable debian tests again

[Jordan Petridis <jpetridis src gnome org>]

commit c12ff525f5ed6d0457fa705ca94d7957c9620667
Author: Jordan Petridis <jpetridis gnome org>
Date:   Thu Oct 11 10:53:33 2018 +0300

    CI: Enable debian tests again
    
    This for now hardcodes the gdk-pixbuf-loaders path to workaround #331

 .gitlab-ci.yml | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5401487b..0b8d8982 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -168,17 +168,21 @@ opensuse:tumbleweed:
   <<: *distro_test
   <<: *stage_2
 
-.debian:testing:
+debian:testing:
   image: $AMD64_DEBIAN_TESTING
   variables:
     LIBRSVG_DEBUG: "yes"
+  before_script:
+    - export PATH=$PATH:/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0
   <<: *distro_test
   <<: *stage_2
 
-.debian_i386:testing:
+debian_i386:testing:
   image: $I386_DEBIAN_TESTING
   variables:
     LIBRSVG_DEBUG: "yes"
+  before_script:
+    - export PATH=$PATH:/usr/lib/i386-linux-gnu/gdk-pixbuf-2.0
   <<: *distro_test
   <<: *stage_2
 
@@ -193,10 +197,12 @@ fedora:test_release:
   <<: *distro_test
   <<: *stage_3
 
-.debian:testing_release_i386:
+debian:testing_release_i386:
   image: $I386_DEBIAN_TESTING
   variables:
     LIBRSVG_DEBUG: "no"
+  before_script:
+    - export PATH=$PATH:/usr/lib/i386-linux-gnu/gdk-pixbuf-2.0
   <<: *distro_test
   <<: *stage_3