[gnome-build-meta] Use kernel.org mirror of ftp.gnu.org

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 8206596694f7530aec3a80bbe7fe3944c82974ae
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Tue Aug 14 13:40:54 2018 -0500

    Use kernel.org mirror of ftp.gnu.org
    
    ftp.gnu.org is down.
    
    Also, this mirror seems better than the upstream server because it
    offers HTTPS.

 elements/core-deps/mpfr.bst   | 2 +-
 elements/core-deps/parted.bst | 2 +-
 project.conf                  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/elements/core-deps/mpfr.bst b/elements/core-deps/mpfr.bst
index 91ee054..c2d3a56 100644
--- a/elements/core-deps/mpfr.bst
+++ b/elements/core-deps/mpfr.bst
@@ -1,7 +1,7 @@
 kind: autotools
 sources:
 - kind: tar
-  url: http://ftp.gnu.org/gnu/mpfr/mpfr-4.0.1.tar.xz
+  url: ftp_gnu_org:mpfr/mpfr-4.0.1.tar.xz
 depends:
 - filename: base.bst
   junction: freedesktop-sdk.bst
diff --git a/elements/core-deps/parted.bst b/elements/core-deps/parted.bst
index d8c4d4a..25a9481 100644
--- a/elements/core-deps/parted.bst
+++ b/elements/core-deps/parted.bst
@@ -1,7 +1,7 @@
 kind: autotools
 sources:
 - kind: tar
-  url: http://ftp.gnu.org/gnu/parted/parted-3.2.tar.xz
+  url: ftp_gnu_org:parted/parted-3.2.tar.xz
 depends:
 - core-deps/lvm2.bst
 - filename: base.bst
diff --git a/project.conf b/project.conf
index 7f4831d..9263473 100644
--- a/project.conf
+++ b/project.conf
@@ -43,7 +43,7 @@ aliases:
   gnome_downloads: https://download.gnome.org/sources/
   cairo_org: https://cairographics.org/
   downloads.sourceforge.net: https://downloads.sourceforge.net/
-  ftp_gnu_org: https://ftp.gnu.org/gnu/
+  ftp_gnu_org: https://mirrors.kernel.org/gnu/
   git_freedesktop_org: https://anongit.freedesktop.org/git/
   github_com: https://github.com/
   gitlab_com: https://gitlab.com/