Fixed coredump in sql_plugin.cc:intern_plugin_lock() on mysqld start with PBXT


sql/mysqld.cc:
  Fixed coredump in sql_plugin.cc:intern_plugin_lock() on mysqld start with PBXT
sql/share/errmsg.txt:
  Row numbers are always positive
sql/sql_base.cc:
  Fixed race condition in lock tables when killing insert_delayed thread.
  This fixes Bug#47017 rpl_timezone fails on PB-2 with mismatch error
  (Note that the patch only adds a continue; The rest is (required) indentation changes)
sql/sql_class.cc:
  Fixed wrong output for high end machines in outfile_loaddata.
  (Problem was that ER_TRUNCATED_WRONG_VALUE_FOR_FIELD expects ulong, not ulonglong)
sql/sql_insert.cc:
  Ensure that if we get a lock problem with delayed_insert, the error is logged.