myisam/myisamchk.c:
  Removed warning from fulltext when repairing many tables with fulltext index
sql/init.cc:
  Remove not used variables
sql/mysql_priv.h:
  Remove not used variables
sql/mysqld.cc:
  Removed not used variables
  Added option --read-only
  Change opt_do_pstack and master_ssl to get them to work with my_getopt
sql/set_var.cc:
  Option --read-only
sql/sql_parse.cc:
  Option --read-only