[xmlsec] New xmlsec 1.2.31 release

[Aleksey Sanin]

The XML Security Library 1.2.31 release includes the following changes:

* Added configure option to ensure memset() securely erases memory
* Several other small fixes 
(https://github.com/lsh123/xmlsec/commits/master).

You can find the new release in the usual place:

http://www.aleksey.com/xmlsec/download.html

Thanks to everyone who contributed patches and filed bugs!


Best,

Aleksey Sanin