Upgrade to libxml 2.9.2 and libxslt 1.1.28

third_party/libxml/src/VxWorks/build.sh

+LIBXML2=$1
+TARGETCPU=$2
+TARGETTYPE=$3
+
+if [ -z "$2" ]; then
+        TARGETCPU=SIMPENTIUMgnu
+fi
+
+if [ -z "$3" ]; then
+        TARGETTYPE=RTP
+fi
+
+echo "LIBXML2 Version:     ${LIBXML2}"
+echo "LIBXML2 Target CPU:  ${TARGETCPU}"
+echo "LIBXML2 Target Type: ${TARGETTYPE}"
+
+rm -fR src
+tar xvzf ${LIBXML2}.tar.gz
+mv ${LIBXML2} src
+cd src
+
+./configure --with-minimum --with-reader --with-writer --with-regexps --with-threads --with-thread-alloc
+
+find . -name '*.in' -exec rm -fR {} +
+find . -name '*.am' -exec rm -fR {} +
+rm -fR *.m4
+rm -fR *.pc
+rm -fR *.pl
+rm -fR *.py
+rm -fR *.spec
+rm -fR .deps
+rm -fR AUTHORS
+rm -fR bakefile
+rm -fR ChangeLog
+rm -fR config.guess
+rm -fR config.log
+rm -fR config.status
+rm -fR config.stub
+rm -fR config.sub
+rm -fR configure
+rm -fR COPYING
+rm -fR Copyright
+rm -fR depcomp
+rm -fR doc
+rm -fR example
+rm -fR INSTALL
+rm -fR install-sh
+rm -fR libxml.3
+rm -fR ltmain.sh
+rm -fR Makefile
+rm -fR Makefile.tests
+rm -fR macos
+rm -fR mkinstalldirs
+rm -fR missing
+rm -fR nanoftp.c
+rm -fR nanohttp.c
+rm -fR NEWS
+rm -fR python
+rm -fR README
+rm -fR README.tests
+rm -fR regressions.xml
+rm -fR result
+rm -fR runsuite.c
+rm -fR runtest.c
+rm -fR test
+rm -fR test*.c
+rm -fR TODO*
+rm -fR trio*
+rm -fR vms
+rm -fR win32
+rm -fR xml2*
+rm -fR xmllint.c
+rm -fR xstc
+
+cd ..
+
+make clean all VXCPU=${TARGETCPU} VXTYPE=${TARGETTYPE}
+
+if [ "${TARGETTYPE}" = "RTP" ]; then
+        cp libxml2.so ../../lib/.
+else
+        cp xml2.out ../../bin/.
+fi
+
+cp -R src/include/libxml ../../include/.