[gimp] build: use https.

[Jehan <jehanp src gnome org>]

commit 19afd8ba5360828004e5975703c90510f7048b04
Author: Jehan <jehan girinstud io>
Date:   Mon Mar 28 16:09:46 2022 +0200

    build: use https.
    
    Not sure why this one URL was not in https.

 build/windows/gitlab-ci/build-deps-msys2.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build/windows/gitlab-ci/build-deps-msys2.sh b/build/windows/gitlab-ci/build-deps-msys2.sh
index 83115f691a..e913a30c5d 100644
--- a/build/windows/gitlab-ci/build-deps-msys2.sh
+++ b/build/windows/gitlab-ci/build-deps-msys2.sh
@@ -59,7 +59,7 @@ cd aalib-1.4.0
 patch --binary -p1 < ../build/windows/patches/aalib-0001-Apply-patch-for-MSYS2.patch
 patch --binary -p1 < ../build/windows/patches/aalib-0002-configure-src-tweak-Windows-link-flags.patch
 wget "https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD"; 
--output-document config.guess
-wget "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD"; --output-document 
config.sub
+wget "https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD"; --output-document 
config.sub
 aclocal
 libtoolize --force
 automake --add-missing