Force add of FN_LIBCHAR to symlinks on windows


Docs/manual.texi:
  Cleanup & Changelog
client/mysqladmin.c:
  Added quoting for 'drop database'
client/mysqlcheck.c:
  Fixed wrong comment syntax
libmysql/net.c:
  Cleanup
mysql-test/mysql-test-run.sh:
  Better error message.
mysql-test/r/func_test.result:
  test for if()
mysql-test/t/func_test.test:
  test for if()
mysys/mf_pack.c:
  Force add of FN_LIBCHAR to symlinks on windows.
sql/item_cmpfunc.cc:
  Fixed problems with decimals withing IF()
sql/mysqlbinlog.cc:
  Better error messages.
sql/sql_repl.cc:
  Better error messages.