Added syntax for column comments (for compability with 4.1)
Fix of ALTER TABLE RENAME


Docs/manual.texi:
  Changelog
client/mysqltest.c:
  Enable LOAD DATA LOCAL INFILE
mysql-test/r/alter_table.result:
  Test of syntax for column comments
mysql-test/r/func_math.result:
  Fixed test of new truncate
mysql-test/t/alter_table.test:
  Test of syntax for column comments
mysys/my_gethostbyname.c:
  Portability fix
sql/hostname.cc:
  Fixed pointer bug
sql/item_cmpfunc.cc:
  Optimizing LIKE code
sql/item_cmpfunc.h:
  Cleanup
sql/mysqld.cc:
  Avoid warning of duplicate calls to mysql_thread_init()
sql/sql_analyse.cc:
  Removed warning from DBUG
sql/sql_parse.cc:
  Avoid warning of duplicate calls to mysql_thread_init()
sql/sql_table.cc:
  Fix of ALTER TABLE RENAME
sql/sql_yacc.yy:
  Added syntax for field comments
vio/test-sslserver.c:
  Cleanup