Fix signedness warning in gio/glocalfileinfo.c:get_access_rights()

gio/glocalfileinfo.c: In function ‘get_access_rights’:
gio/glocalfileinfo.c:932:9: error: comparison of integer expressions of different signedness: ‘uid_t’ {aka ‘unsigned int’} and ‘int’
  932 |     uid == parent_info->owner ||
      |         ^~

gio/glocalfileinfo.c

@@ -929,7 +929,7 @@ get_access_rights (GFileAttributeMatcher *attribute_matcher,
 	      uid_t uid = geteuid ();
 
 	      if (uid == _g_stat_uid (statbuf) ||
-		  uid == parent_info->owner ||
+		  uid == (uid_t) parent_info->owner ||
 		  uid == 0)
 		writable = TRUE;
 	    }

gio/glocalfileinfo.h

@@ -46,6 +46,7 @@ typedef struct
   gboolean writable;
   gboolean is_sticky;
   gboolean has_trash_dir;
+  /* owner should be uid_t but it breaks compliance with MS-Windows */
   int      owner;
   dev_t    device;
   ino_t    inode;