[libdazzle] build: drop gtk+ requirement back to 3.22

[Christian Hergert <chergert src gnome org>]

commit d0eecaa7c9cee71fc7e9ae2e98b6cd6bdd029eb2
Author: Christian Hergert <chergert redhat com>
Date:   Fri May 17 12:20:58 2019 -0700

    build: drop gtk+ requirement back to 3.22
    
    With the backports in place, we can reduce our gtk+-3.0 requirement.

 src/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/meson.build b/src/meson.build
index d263b86..0f054f9 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -86,7 +86,7 @@ libdazzle_sources = [
 libdazzle_deps = [
   dependency('gio-2.0', version: '>=2.56.0'),
   dependency('gmodule-2.0'),
-  dependency('gtk+-3.0', version: '>=3.24.0'),
+  dependency('gtk+-3.0', version: '>=3.22.0'),
   cc.find_library('m', required: false),
   cc.find_library('rt', required: false),
 ]