kobject: export kset_find_obj.

From Louis Zhang.

include/linux/kobject.h

@@ -87,7 +87,7 @@ static inline void kset_put(struct kset * k)
 }
 
 
-extern struct kobject * kset_find_obj(struct kset *, char *);
+extern struct kobject * kset_find_obj(struct kset *, const char *);
 
 
 struct subsystem {

lib/kobject.c

@@ -295,7 +295,7 @@ void kset_unregister(struct kset * k)
  *	looking for a matching kobject. Return object if found.
  */
 
-struct kobject * kset_find_obj(struct kset * kset, char * name)
+struct kobject * kset_find_obj(struct kset * kset, const char * name)
 {
 	struct list_head * entry;
 	struct kobject * ret = NULL;
@@ -387,6 +387,8 @@ EXPORT_SYMBOL(kobject_unregister);
 EXPORT_SYMBOL(kobject_get);
 EXPORT_SYMBOL(kobject_put);
 
+EXPORT_SYMBOL(kset_find_obj);
+
 EXPORT_SYMBOL(subsystem_init);
 EXPORT_SYMBOL(subsystem_register);
 EXPORT_SYMBOL(subsystem_unregister);