[libxml2]Add libxml2 library

libxml2/include/private/lint.h

@@ -0,0 +1,15 @@
+#ifndef XML_LINT_H_PRIVATE__
+#define XML_LINT_H_PRIVATE__
+
+#include <stdio.h>
+
+#include <libxml/parser.h>
+
+int
+xmllintMain(int argc, const char **argv, FILE *errStream,
+            xmlResourceLoader loader);
+
+void
+xmllintShell(xmlDoc *doc, const char *filename, FILE *output);
+
+#endif /* XML_LINT_H_PRIVATE__ */