[xml] Release of libxml2-2.7.7

[Daniel Veillard <veillard redhat com>]

  Suggested update to fix the problem with zlib-1.2.4 and following
It is available as usual at:
   ftp://xmlsoft.org/libxml2/

I also includes a number of other bug fixes, portability fixes and
a couple of improvements:

Bug Fixes:
- libxml violates the zlib interface and crashes (Mark Adler)
- Fix broken escape behaviour in regexp ranges (Daniel Veillard)
- Fix  missing win32 libraries in libxml-2.0.pc (Volker Grabsch)
- Fix detection of python linker flags (Daniel Macks)
- fix build error in libxml2/python (Paul Smith)
- ChunkParser: Incorrect decoding of small xml files (Raul Hudea)
- htmlCheckEncoding doesn't update input-end after shrink (Eugene Pimenov)
- Fix a missing #ifdef (Daniel Veillard)
- Fix encoding selection for xmlParseInNodeContext (Daniel Veillard)
- xmlPreviousElementSibling mistake (François Delyon)
- 608773 add a missing check in xmlGROW (Daniel Veillard)
- Fix xmlParseInNodeContext for HTML content (Daniel Veillard)
- Fix lost namespace when copying node * tree.c: reconcile namespace if not found (Rob Richards)
- Fix some missing commas in HTML element lists (Eugene Pimenov)
- Correct variable type to unsigned (Nikolay Sivov)
- Recognize ID attribute in HTML without DOCTYPE (Daniel Veillard)
- Fix memory leak in xmlXPathEvalExpression() (Martin)
- Fix an init bug in global.c (Kai Henning)
- Fix xmlNodeSetBase() comment (Daniel Veillard)
- Fix broken escape behaviour in regexp ranges (Daniel Veillard)
- Don't give default HTML boolean attribute values in parser (Daniel Veillard)
- xmlCtxtResetLastError should reset ctxt->errNo (Daniel Veillard)

Improvement:
- Adding a --xpath option to xmllint (Daniel Veillard)
- Make HTML parser non-recursive (Eugene Pimenov)

Portability:
- relaxng.c: cast to allow compilation with sun studio 11 (Ben Walton)
- Fix build failure on Sparc solaris (Roumen Petrov)
- use autoreconf in autogen.sh (Daniel Veillard)
- Fix build with mingw (Roumen Petrov)
- Upgrade some of the configure and autogen (Daniel Veillard)
- Fix relaxNG tests in runtest for Windows * runtest.c: initialize ret (Rob Richards)
- Fix a const warning in xmlNodeSetBase (Martin Trappel)
- Fix python generator to not use deprecated xmllib (Daniel Veillard)
- Update some automake files (Daniel Veillard)
- 598785 Fix nanohttp on Windows (spadix)

Cleanups:
- Cleanup a couple of weirdness in HTML parser (Eugene Pimenov)

  thanks everybody for the feedback and the patches !

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
daniel veillard com  | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library  http://libvirt.org/