[release-notes/gnome-3-30] Link to GitLab instead of cgit

[Piotr Drąg <piotrdrag src gnome org>]

commit a459d2c0b2fc74166a7c450a9e4314e44a1d7d64
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Wed Aug 22 19:01:47 2018 +0200

    Link to GitLab instead of cgit

 help/C/index.page | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/help/C/index.page b/help/C/index.page
index 6ead3c7e..587b6954 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -95,7 +95,7 @@
 
   <section id="getting-gnome">
     <title>Getting GNOME &gnomeversion;</title>
-    <p>GNOME’s software is <link href="https://gnu.org/philosophy/free-sw.html";>Free Software</link>: all 
<link href="https://git.gnome.org/";>our code</link> is available for download and can be freely modified and 
redistributed. To install it, we recommend that you wait for the official packages provided by your vendor or 
distribution. Popular distributions will make GNOME &gnomeversion; available very soon, and some already have 
development versions that include the new GNOME release.</p>
+    <p>GNOME’s software is <link href="https://gnu.org/philosophy/free-sw.html";>Free Software</link>: all 
<link href="https://gitlab.gnome.org/GNOME";>our code</link> is available for download and can be freely 
modified and redistributed. To install it, we recommend that you wait for the official packages provided by 
your vendor or distribution. Popular distributions will make GNOME &gnomeversion; available very soon, and 
some already have development versions that include the new GNOME release.</p>
   </section>
 
   <section id="about">