After merge fixes


include/my_base.h:
  Fix comment syntax
libmysql/client_settings.h:
  Portability fixes for windows
libmysql/libmysql.c:
  Portability fixes for windows
libmysql/libmysql.def:
  Portability fixes for windows
mysql-test/r/variables.result:
  Fix result after merge
sql-common/client.c:
  Portability fixes for windows
sql/ha_berkeley.cc:
  Use defines instead of constants
sql/item_strfunc.cc:
  Portability fixes for windows
sql/mysql_priv.h:
  Use defines instead of defines
sql/mysqld.cc:
  After merge fix
sql/opt_range.h:
  After merge fix
sql/set_var.h:
  Portability fixes for windows
sql/sql_class.cc:
  Defines instead of constants
sql/sql_help.cc:
  after merge fixes
  More OOM error checking
sql/sql_prepare.cc:
  After merge fixes
sql/sql_table.cc:
  Portability fixes for windows