base: Fix bad function pointer casts in xdg-mime.

base/third_party/xdg_mime/function_casts.patch

+diff --git a/base/third_party/xdg_mime/xdgmime.c b/base/third_party/xdg_mime/xdgmime.c
+index 6dc58c253fa2..f340fcefabb4 100644
+--- a/base/third_party/xdg_mime/xdgmime.c
++++ b/base/third_party/xdg_mime/xdgmime.c
+@@ -136,7 +136,7 @@ xdg_dir_time_list_free (XdgDirTimeList *list)
+ }
+ 
+ static int
+-xdg_mime_init_from_directory (const char *directory)
++xdg_mime_init_from_directory (const char *directory, void *user_data)
+ {
+   char *file_name;
+   struct stat st;
+@@ -340,8 +340,9 @@ xdg_check_file (const char *file_path,
+ 
+ static int
+ xdg_check_dir (const char *directory,
+-              int        *invalid_dir_list)
++              void       *user_data)
+ {
++  int *invalid_dir_list = user_data;
+   int invalid, exists;
+   char *file_name;
+ 
+@@ -398,8 +399,7 @@ xdg_check_dirs (void)
+   for (list = dir_time_list; list; list = list->next)
+     list->checked = XDG_CHECKED_UNCHECKED;
+ 
+-  xdg_run_command_on_dirs ((XdgDirectoryFunc) xdg_check_dir,
+-                          &invalid_dir_list);
++  xdg_run_command_on_dirs (xdg_check_dir, &invalid_dir_list);
+ 
+   if (invalid_dir_list)
+     return TRUE;
+@@ -455,8 +455,7 @@ xdg_mime_init (void)
+       icon_list = _xdg_mime_icon_list_new ();
+       generic_icon_list = _xdg_mime_icon_list_new ();
+ 
+-      xdg_run_command_on_dirs ((XdgDirectoryFunc) xdg_mime_init_from_directory,
+-                              NULL);
++      xdg_run_command_on_dirs (xdg_mime_init_from_directory, NULL);
+ 
+       need_reread = FALSE;
+     }