[gimp-web/testing] Fix XKCD img link to use a protocol (https)

[Pat David <patdavid src gnome org>]

commit 3feda2f909245213a8aa4712b8c794e474662f59
Author: Pat David <patdavid gmail com>
Date:   Mon Mar 6 13:48:18 2017 -0600

    Fix XKCD img link to use a protocol (https)

 content/about/meta/git-workflow.md |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/content/about/meta/git-workflow.md b/content/about/meta/git-workflow.md
index d2c6c2c..e5d1ca5 100644
--- a/content/about/meta/git-workflow.md
+++ b/content/about/meta/git-workflow.md
@@ -4,7 +4,7 @@ Author: Pat David
 Summary: What the workflow should be with branches test and master.
 
 <figure>
-<img src="//imgs.xkcd.com/comics/git.png" title="If that doesn't fix it, git.txt contains the phone number 
of a friend of mine who understands git. Just wait through a few minutes of 'It's really pretty simple, just 
think of branches as...' and eventually you'll learn the commands that will fix everything." alt="Git">
+<img src="https://imgs.xkcd.com/comics/git.png"; title="If that doesn't fix it, git.txt contains the phone 
number of a friend of mine who understands git. Just wait through a few minutes of 'It's really pretty 
simple, just think of branches as...' and eventually you'll learn the commands that will fix everything." 
alt="Git">
 <figcaption>
 Obligatory <a href="https://xkcd.com/1597/";>XKCD</a>. 
 (<a class='cc' href='http://creativecommons.org/licenses/by-nc/2.5/' title='Creative Commons 
Attribution-NonCommercial'>cbn</a>)