Fix HPUX compilation.

sql/ha_ndbcluster.h:
  Fix HPUX compilation (copy-paste error I think).

sql/ha_ndbcluster.h

@@ -761,7 +761,7 @@ private:
   int set_ndb_value(NdbOperation*, Field *field, uint fieldnr,
 		    int row_offset= 0, bool *set_blob_value= 0);
   int get_ndb_value(NdbOperation*, Field *field, uint fieldnr, byte*);
-  int ha_ndbcluster::get_ndb_partition_id(NdbOperation *);
+  int get_ndb_partition_id(NdbOperation *);
   friend int g_get_ndb_blobs_value(NdbBlob *ndb_blob, void *arg);
   int get_ndb_blobs_value(NdbBlob *last_ndb_blob);
   int set_primary_key(NdbOperation *op, const byte *key);