Added mkdir() to the plugin api.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6103 a1c6a512-1295-4272-9138-f99709370657

apps/plugin.c

@@ -264,6 +264,7 @@ static const struct plugin_api rockbox_api = {
     cpu_boost,
 #endif
 #endif
+    PREFIX(mkdir),
 };
 
 int plugin_load(const char* plugin, void* parameter)

apps/plugin.h

@@ -69,7 +69,7 @@
 #endif
 
 /* increase this every time the api struct changes */
-#define PLUGIN_API_VERSION 34
+#define PLUGIN_API_VERSION 35
 
 /* update this to latest version if a change to the api struct breaks
    backwards compatibility (and please take the opportunity to sort in any 
@@ -313,6 +313,7 @@ struct plugin_api {
     void (*cpu_boost)(bool on_off);
 #endif
 #endif
+    int (*PREFIX(mkdir))(const char *name, int mode);
 };
 
 /* defined by the plugin loader (plugin.c) */