[gnome-builder/wip/gtk4-port: 24/1774] build: set incompatible-pointer-types

[Christian Hergert <chergert src gnome org>]

commit 2f9d79c55d030d16959809ee49f43e70e2a96e57
Author: Christian Hergert <chergert redhat com>
Date:   Thu Sep 23 15:57:05 2021 -0700

    build: set incompatible-pointer-types
    
    We can have this now that we have new GLib and newer Meson requirement.

 meson.build | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index a35940ad7..ff9165351 100644
--- a/meson.build
+++ b/meson.build
@@ -141,8 +141,7 @@ test_c_args = [
   '-Werror=empty-body',
   '-Werror=implicit',
   '-Werror=implicit-function-declaration',
-  # Ignore until mkenums is fixed
-  # '-Werror=incompatible-pointer-types',
+  '-Werror=incompatible-pointer-types',
   '-Werror=init-self',
   '-Werror=int-conversion',
   '-Werror=int-to-pointer-cast',