Merge lambda.hsd1.co.comcast.net.:/home/malff/TREE/mysql-5.0-runtime

into  lambda.hsd1.co.comcast.net.:/home/malff/TREE/mysql-5.1-runtime


mysql-test/r/udf.result:
  Auto merged
mysql-test/t/udf.test:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/udf_example.c:
  Auto merged
sql/udf_example.def:
  Auto merged