[mutter] Dockerfile: Align comment with command

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

commit e2cd9abf46133ae70132d47993fb1f83edc167b0
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Nov 7 14:58:50 2018 +0100

    Dockerfile: Align comment with command

 .gitlab-ci/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitlab-ci/Dockerfile b/.gitlab-ci/Dockerfile
index eba733c79..cc7136d43 100644
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -4,7 +4,7 @@ RUN dnf -y update && dnf -y upgrade && \
     dnf install -y 'dnf-command(builddep)' && \
     dnf builddep -y mutter && \
 
-# Until Fedora catches up with meson build-deps
+    # Until Fedora catches up with meson build-deps
     dnf install -y meson xorg-x11-server-Xorg gnome-settings-daemon-devel egl-wayland-devel 
xorg-x11-server-Xwayland && \
 
     dnf install -y intltool redhat-rpm-config make && \