[libxml2] Created tag v2.9.9-rc1

[Daniel Veillard <veillard src gnome org>]

The signed tag 'v2.9.9-rc1' was created.

Tagger: Daniel Veillard <veillard redhat com>
Date: 1542907417 +0100

    Release candidate 1 of libxml2-2.9.9

Changes since the last tag 'v2.9.8':

Andrey Bienkowski (1):
      Remove a misleading line from xmlCharEncOutput

Daniel Veillard (1):
      HTML noscript should not close p

Felix Bünemann (2):
      Fix xmlTextReaderNext with preparsed document
      Support xmlTextReaderNextSibling w/o preparsed doc

Greg Hildstrom (1):
      Fix xmlSchemaValidCtxtPtr reuse memory leak

Michael Haubenwallner (2):
      Really declare dllexport/dllimport for Cygwin
      Variables need 'extern' in static lib on Cygwin

Nick Wellnhofer (27):
      NaN and Inf fixes for pre-C99 compilers
      Revert "Change calls to xmlCharEncInput to set flush false"
      Fix inconsistency in xmlXPathIsInf
      Stop using XPATH_OP_RESET
      Don't change context node in xmlXPathRoot
      Avoid unnecessary backups of the context node
      Simplify and harden nodeset filtering
      Improve restoring of context size and position
      Run Travis ASan tests with "sudo: required"
      Remove stray character from comment
      Fix nullptr deref with XPath logic ops
      Fix infinite loop in LZMA decompression
      Improve error message if pkg.m4 couldn't be found
      Merge branch 'patch-2' into 'master'
      Don't include SAX.h from globals.h
      Don't run icu_parse_test if EUC-JP is unsupported
      Reset HTML parser input pointers on encoding failure
      Free input buffer in xmlHaltParser
      Check return value of nodePush in xmlSAX2StartElement
      Unlink node before freeing it in xmlSAX2StartElement
      Add newlines to 'xmllint --xpath' output
      Use actual doc in xmlTextReaderRead*Xml
      Stop using doc->charset outside parser code
      Fix HTML serialization with UTF-8 encoding
      Fix MSVC build with lzma
      Set doc on element obtained from freeElems
      Fix memory leak in xmlSwitchInputEncodingInt error path

Nikolai Weibull (1):
      Problem with data in interleave in RelaxNG validation

Vitaly Buka (1):
      Change dir to $THEDIR after ACLOCAL_PATH check autoreconf creates aclocal.m4 in $srcdir

林博仁(Buo-ren Lin) (1):
      Don't instruct user to run make when autogen.sh failed