Upgrade to libxml 2.9.2 and libxslt 1.1.28

third_party/libxslt/libxslt/xsltwin32config.h

 /*
  * Summary: compile-time version informations for the XSLT engine 
  *          when compiled on windows
  * Description: compile-time version informations for the XSLT engine
  *              when compiled on windows. This file is generated.
  *
  * Copy: See Copyright for the status of this software.
  *
  * Author: Daniel Veillard
  */
 
 #ifndef __XML_XSLTWIN32CONFIG_H__
 #define __XML_XSLTWIN32CONFIG_H__
 
 #include "win32config.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 /**
  * LIBXSLT_DOTTED_VERSION:
  *
  * the version string like "1.2.3"
  */
-#define LIBXSLT_DOTTED_VERSION "1.1.26"
+#define LIBXSLT_DOTTED_VERSION "1.1.28"
 
 /**
  * LIBXSLT_VERSION:
  *
  * the version number: 1.2.3 value is 1002003
  */
-#define LIBXSLT_VERSION 10126
+#define LIBXSLT_VERSION 10128
 
 /**
  * LIBXSLT_VERSION_STRING:
  *
  * the version number string, 1.2.3 value is "1002003"
  */
-#define LIBXSLT_VERSION_STRING "10126"
+#define LIBXSLT_VERSION_STRING "10128"
 
 /**
  * LIBXSLT_VERSION_EXTRA:
  *
  * extra version information, used to show a CVS compilation
  */
 #define LIBXSLT_VERSION_EXTRA "-win32"
 
 /**
  * WITH_XSLT_DEBUG:
@@ skipping 45 matching lines @@
  */
 #ifndef ATTRIBUTE_UNUSED
 #define ATTRIBUTE_UNUSED
 #endif
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif /* __XML_XSLTWIN32CONFIG_H__ */