[xml] Release of libxml2 2.9.6

[Daniel Veillard <veillard redhat com>]

  It's out, 2 days late, sorry, but it's now tagged in git and signed tarball
and rpms are now available at the usual place:

  ftp://xmlsoft.org/libxml2/

This is a bugfix only release from Nick with just one portability commit:


Portability:
- Change preprocessor OS tests to __linux__ (Nick Wellnhofer)

Bug Fixes:
- Fix XPath stack frame logic (Nick Wellnhofer)
- Report undefined XPath variable error message (Nick Wellnhofer)
- Fix regression with librsvg (Nick Wellnhofer)
- Handle more invalid entity values in recovery mode (Nick Wellnhofer)
- Fix structured validation errors (Nick Wellnhofer)
- Fix memory leak in LZMA decompressor (Nick Wellnhofer)
- Set memory limit for LZMA decompression (Nick Wellnhofer)
- Handle illegal entity values in recovery mode (Nick Wellnhofer)
- Fix debug dump of streaming XPath expressions (Nick Wellnhofer)
- Fix memory leak in nanoftp (Nick Wellnhofer)
- Fix memory leaks in SAX1 parser (Nick Wellnhofer)

  thanks Nick for your work :-), sorry again for the delay, next push in a
month :-) , in the meantime enjoy the release !

Daniel

-- 
Daniel Veillard      | Red Hat Developers Tools http://developer.redhat.com/
veillard redhat com  | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | virtualization library  http://libvirt.org/