[gnome-flashback/gnome-3-28] Change submodule URL to HTTPS protocol

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 50b0ff28c2c06fde9dfbaedf07040b72f4f2c9b3
Author: Dmitry Shachnev <mitya57 gmail com>
Date:   Sat Sep 1 14:42:27 2018 +0000

    Change submodule URL to HTTPS protocol
    
    
    (cherry picked from commit 380c1f5128d9a9db3de78d155505bf438d70a2cb)

 .gitmodules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/.gitmodules b/.gitmodules
index 3116be7..a413a39 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "gnome-flashback/libsound-applet/gvc"]
        path = gnome-flashback/libsound-applet/gvc
-       url = git://git gitlab gnome org:GNOME/libgnome-volume-control.git
+       url = https://gitlab.gnome.org/GNOME/libgnome-volume-control.git