[Bug 271485] devel/libgee: fix build with clang 16

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 18 May 2023 11:51:25 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271485

            Bug ID: 271485
           Summary: devel/libgee: fix build with clang 16
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: kwm@FreeBSD.org
          Reporter: dim@FreeBSD.org
          Assignee: kwm@FreeBSD.org
             Flags: maintainer-feedback?(kwm@FreeBSD.org)

Clang 16 has a new error about incompatible function types, which shows up when
building devel/libgee:

  hashmap.c:4089:23: error: incompatible function pointer types assigning to
'gboolean (*)(GeeMapIterator *)' (aka 'int (*)(struct _GeeMapIterator *)') from
'gboolean (GeeHashMapNodeIterator *)' (aka 'int (struct _GeeHashMapNodeIterator
*)') [-Wincompatible-function-pointer-types]
          iface->get_read_only = gee_hash_map_map_iterator_real_get_read_only;
                               ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Since the error occurs in vala-generated code, it does not make sense to patch
the .c file. Suppress the warning instead.

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