Linux: update base/third_party/xdg_mime from upstream.

base/third_party/xdg_mime/xdgmime.h

 /* -*- mode: C; c-file-style: "gnu" -*- */
 /* xdgmime.h: XDG Mime Spec mime resolver.  Based on version 0.11 of the spec.
  *
  * More info can be found at http://www.freedesktop.org/standards/
  * 
  * Copyright (C) 2003  Red Hat, Inc.
  * Copyright (C) 2003  Jonathan Blandford <jrb@alum.mit.edu>
  *
  * Licensed under the Academic Free License version 2.0
  * Or under the following terms:
@@ skipping 50 matching lines @@
 #define xdg_mime_mime_type_subclass           XDG_ENTRY(mime_type_subclass)
 #define xdg_mime_get_mime_parents             XDG_ENTRY(get_mime_parents)
 #define xdg_mime_list_mime_parents            XDG_ENTRY(list_mime_parents)
 #define xdg_mime_unalias_mime_type            XDG_ENTRY(unalias_mime_type)
 #define xdg_mime_get_max_buffer_extents       XDG_ENTRY(get_max_buffer_extents)
 #define xdg_mime_shutdown                     XDG_ENTRY(shutdown)
 #define xdg_mime_dump                         XDG_ENTRY(dump)
 #define xdg_mime_register_reload_callback     XDG_ENTRY(register_reload_callback)
 #define xdg_mime_remove_callback              XDG_ENTRY(remove_callback)
 #define xdg_mime_type_unknown                 XDG_ENTRY(type_unknown)
+#define xdg_mime_type_empty                   XDG_ENTRY(type_empty)
+#define xdg_mime_type_textplain               XDG_ENTRY(type_textplain)
 #define xdg_mime_get_icon                     XDG_ENTRY(get_icon)
 #define xdg_mime_get_generic_icon             XDG_ENTRY(get_generic_icon)
 
 #define _xdg_mime_mime_type_equal             XDG_RESERVED_ENTRY(mime_type_equal)
 #define _xdg_mime_mime_type_subclass          XDG_RESERVED_ENTRY(mime_type_subclass)
 #define _xdg_mime_unalias_mime_type           XDG_RESERVED_ENTRY(unalias_mime_type)  
 #endif
 
 extern const char xdg_mime_type_unknown[];
+extern const char xdg_mime_type_empty[];
+extern const char xdg_mime_type_textplain[];
 #define XDG_MIME_TYPE_UNKNOWN xdg_mime_type_unknown
+#define XDG_MIME_TYPE_EMPTY xdg_mime_type_empty
+#define XDG_MIME_TYPE_TEXTPLAIN xdg_mime_type_textplain
 
 const char  *xdg_mime_get_mime_type_for_data       (const void *data,
                                                     size_t      len,
                                                     int        *result_prio);
 const char  *xdg_mime_get_mime_type_for_file       (const char *file_name,
                                                     struct stat *statbuf);
 const char  *xdg_mime_get_mime_type_from_file_name (const char *file_name);
 int          xdg_mime_get_mime_types_from_file_name(const char *file_name,
                                                     const char *mime_types[],
                                                     int         n_mime_types);
@@ skipping 27 matching lines @@
                                                     const char *mime_b);
 int          _xdg_mime_mime_type_subclass          (const char *mime,
                                                     const char *base);
 const char  *_xdg_mime_unalias_mime_type           (const char *mime);
 
 
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */
 #endif /* __XDG_MIME_H__ */