Initialize LOG_error_log before get_options to not use an uninitalized mutex in case of an error from handle_options()


mysql-test/r/lowercase_table.result:
  Changed foo database -> mysqltest
  More test cases
mysql-test/t/lowercase_table.test:
  Changed foo database -> mysqltest
  More test cases
mysys/my_getopt.c:
  Fix new code to use MySQL indentation style
sql/log.cc:
  Change to use MySQL indentation style and naming conventions
  Remove usage of strlen() and strcat()
sql/mysqld.cc:
  Initialize LOG_error_log before get_options to not use an uninitalized mutex in case of an error from handle_options()
sql/sql_base.cc:
  Added comment
sql/table.cc:
  Added #if MYSQL_VERSION_ID < 40100 to ensure code is merged correctly