[gnome-builder/wip/gtk4-port: 445/495] build: set incompatible-pointer-types

[Christian Hergert <chergert src gnome org>]

commit 00a4aedb8254b54fbe716a5593611997360ca0c7
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 d2cdaa035..fec16b10c 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',