[gtk/gtk-3-24] meson: bump version

[Matthias Clasen <matthiasc src gnome org>]

commit bcf08abef0981456fd8400707431826e6473a63a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Apr 19 09:29:31 2020 -0400

    meson: bump version

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 0240cc3898..7ec6a9e409 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('gtk+-3.0', 'c',
-        version: '3.24.17',
+        version: '3.24.18',
         default_options: [
           'buildtype=debugoptimized',
           'warning_level=1'