fixed auto set of server id
sql/sql_repl.cc
    do not allow slave to replicate if master id was not supplied
sql/sql_repl.h
    fix for server_id


sql/mysqld.cc:
  fixed auto set of server id
sql/sql_repl.cc:
  do not allow slave to replicate if master id was not supplied
sql/sql_repl.h:
  fix for server_id