[libgtop] Replace Bugzilla link with link to GitLab

[Andre Klapper <aklapper src gnome org>]

commit a5b2b6db98b748147c8a732a408ab4ebb30b7c0e
Author: Andre Klapper <a9016009 gmx de>
Date:   Tue Aug 24 00:54:06 2021 +0200

    Replace Bugzilla link with link to GitLab

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index b5f1fe61..d31d9776 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,7 +27,7 @@ m4_define([libgtop_version_code], [m4_eval(libgtop_major_version * 1000000 + lib
 
 AC_PREREQ(2.62)
 AC_INIT([libgtop], [libgtop_version],
-        [http://bugzilla.gnome.org/enter_bug.cgi?product=libgtop])
+        [https://gitlab.gnome.org/GNOME/libgtop/-/issues/])
 AC_CONFIG_SRCDIR(copyright.txt)
 AC_CONFIG_HEADERS(config.h)