(ITS#5288) DB_CONFIG.example URL wrong in comments

[ghenry]

Full_Name: Gavin Henry
Version: All
OS: 
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (212.159.59.85)
Submitted by: ghenry


Should be:

http://www.oracle.com/technology/documentation/berkeley-db/db/ref/env/db_config.html

Correcting.