[nautilus] CI: Enable cache

[Carlos Soriano <csoriano src gnome org>]

commit 6288d4156f607f23bf27193edd995632759025b0
Author: Carlos Soriano <csoriano1618 gmail com>
Date:   Fri Jan 5 23:07:49 2018 +0000

    CI: Enable cache

 .gitlab-ci.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0e989901e..957418214 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,10 +11,13 @@ before_script:
                    libxml2-devel tracker-devel desktop-file-utils
                    libgexiv2-devel
 
-build-nautilus:
+build:
   stage: build
   script:
     - meson _build .
+  cache:
+    paths:
+      - _build
 test:
   stage: test
   script: