add_key: remove callback parameter

doc/lirc/example.lircrc

@@ -4,7 +4,7 @@
 
 # The current full list of config strings vlc understands is always in vlc's
 # src/libvlc.h file. Look for lines like:
-# add_key( "key-fullscreen", KEY_FULLSCREEN, NULL, FULLSCREEN_KEY_TEXT,
+# add_key( "key-fullscreen", KEY_FULLSCREEN, FULLSCREEN_KEY_TEXT,
 #          FULLSCREEN_KEY_LONGTEXT, VLC_FALSE );
 # You will need the first argument of these lines. in this case: key-fullscreen
 

include/vlc_plugin.h

@@ -348,7 +348,7 @@ enum vlc_module_properties
 #define add_integer( name, value, text, longtext, advc ) \
     add_int_inner( CONFIG_ITEM_INTEGER, name, text, longtext, advc, value )
 
-#define add_key( name, value, p_callback, text, longtext, advc ) \
+#define add_key( name, value, text, longtext, advc ) \
     add_int_inner( CONFIG_ITEM_KEY, name, text, longtext, advc, value ) \
     add_int_inner( CONFIG_ITEM_KEY, "global-" name, text, longtext, advc, \
                    KEY_UNSET )