Update alienvault_newpolicyform_sqli.rb

cleaned up according to msftidy.rb suggestions

modules/auxiliary/gather/alienvault_newpolicyform_sqli.rb:17 - [WARNING] Spaces at EOL
modules/auxiliary/gather/alienvault_newpolicyform_sqli.rb:18 - [WARNING] Tabbed indent: "\tlack of input filtering to read an arbitrary file from the file system.\n"
modules/auxiliary/gather/alienvault_newpolicyform_sqli.rb:29 - [WARNING] Space-Tab mixed indent: "\t [ 'OSVDB', '106815' ],\n"
modules/auxiliary/gather/alienvault_newpolicyform_sqli.rb:29 - [WARNING] Tabbed indent: "\t [ 'OSVDB', '106815' ],\n"
modules/auxiliary/gather/alienvault_newpolicyform_sqli.rb:30 - [WARNING] Space-Tab mixed indent: "\t [ 'EDB', '33317'],\n"
modules/auxiliary/gather/alienvault_newpolicyform_sqli.rb:30 - [WARNING] Tabbed indent: "\t [ 'EDB', '33317'],\n"
modules/auxiliary/gather/alienvault_newpolicyform_sqli.rb:110 - [WARNING] Spaces at EOL