Install& config notes fail to mention extension php_mysqli.dll required in php.ini

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What steps will reproduce the problem?
1. follow the install & configure process, where no php extensions are present 
in /php_install_folder/ext folder but the ones indicated in current 
documentation
2.
3.

What is the expected output? What do you see instead?
Update install & config document to include dependency on php_mysqli.dll php 
extension

What version of the product are you using? On what operating system?
webvulscan_v0.12

Please provide any additional information below.

Original issue reported on code.google.com by marian.v...@gmail.com on 17 Oct 2012 at 1:19