[gnome-calendar] project: Change build stage name to 'build-calendar'

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 519de355205a2fbc5afbaa8ce7851f165bea9d82
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Sat Jan 27 11:49:22 2018 -0200

    project: Change build stage name to 'build-calendar'

 .gitlab-ci.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 079aad9d..3bd062f2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,9 +6,9 @@ before_script:
   - dnf install -y gcc meson ninja-build gettext gtk-doc glib2-devel gtk3-devel
     gnome-online-accounts-devel evolution-data-server-devel
 
-build-todo:
+build-calendar:
   stage: build
   script:
   - meson . _build
   - ninja -C _build
-  - ninja -C _build install
\ No newline at end of file
+  - ninja -C _build install