Add missing DBUG_RETURN
Fixed stack overflow in NdbBlob (found by ndb_gis.test)
Fixed access to freed memory in ndb_cluster_real_free_share()


mysys/mf_keycache.c:
  Add missing DBUG_RETURN
sql/ha_ndbcluster.cc:
  Move free_root to after share handling, as otherwise we will free things needed by free_table_share()
sql/item_func.cc:
  Add missing DBUG_RETURN
sql/item_strfunc.cc:
  Add missing DBUG_RETURN
sql/sp_head.cc:
  Add missing DBUG_RETURN
sql/sql_base.cc:
  Add missing DBUG_RETURN
storage/csv/ha_tina.cc:
  Add missing DBUG_RETURN
storage/myisam/mi_key.c:
  Add missing DBUG_RETURN
storage/myisam/mi_keycache.c:
  Add missing DBUG_RETURN
storage/ndb/include/kernel/signaldata/ArbitSignalData.hpp:
  Remove compiler warning
storage/ndb/include/kernel/signaldata/DictTabInfo.hpp:
  Remove compiler warning
storage/ndb/include/transporter/TransporterDefinitions.hpp:
  Remove compiler warning
storage/ndb/include/util/SimpleProperties.hpp:
  Remove compiler warning
storage/ndb/include/util/SocketServer.hpp:
  Remove compiler warning
storage/ndb/src/ndbapi/ClusterMgr.hpp:
  Remove compiler warning
storage/ndb/src/ndbapi/NdbBlob.cpp:
  Fix stack overflow
storage/ndb/src/ndbapi/NdbEventOperationImpl.hpp:
  Remove compiler warning
storage/ndb/src/ndbapi/NdbScanOperation.cpp:
  Remove compiler warning