Description. This function is used to stop a Cluster backup.
Signature.
int ndb_mgm_abort_backup
    (
      NdbMgmHandle          handle,
      unsigned int          id,
      struct ndb_mgm_reply* reply)
Parameters. This function takes 3 parameters:
                  An NdbMgmHandle.
                
                  The id of the backup to be
                  aborted.
                
                  A pointer to an ndb_mgm_reply
                  structure.
                
Return value. 
            In case an error, this function returns
            -1.
          
