Roll libxml to 8effcb578e0590cc01bbcab0f9dccefc6bdbcdbd

third_party/libxml/linux/include/libxml/xmlversion.h

Index: third_party/libxml/linux/include/libxml/xmlversion.h
diff --git a/third_party/libxml/linux/include/libxml/xmlversion.h b/third_party/libxml/linux/include/libxml/xmlversion.h
index bc7b4c48782c8e6f1a1aafce86a8641839450eb9..ebf1374c1b7754d21ab43087889769a7b59e1d45 100644
--- a/third_party/libxml/linux/include/libxml/xmlversion.h
+++ b/third_party/libxml/linux/include/libxml/xmlversion.h
@@ -29,21 +29,21 @@ XMLPUBFUN void XMLCALL xmlCheckVersion(int version);
  *
  * the version string like "1.2.3"
  */
-#define LIBXML_DOTTED_VERSION "2.9.3"
+#define LIBXML_DOTTED_VERSION "2.9.4"
 
 /**
  * LIBXML_VERSION:
  *
  * the version number: 1.2.3 value is 10203
  */
-#define LIBXML_VERSION 20903
+#define LIBXML_VERSION 20904
 
 /**
  * LIBXML_VERSION_STRING:
  *
  * the version number string, 1.2.3 value is "10203"
  */
-#define LIBXML_VERSION_STRING "20903"
+#define LIBXML_VERSION_STRING "20904"
 
 /**
  * LIBXML_VERSION_EXTRA:
@@ -58,7 +58,7 @@ XMLPUBFUN void XMLCALL xmlCheckVersion(int version);
  * Macro to check that the libxml version in use is compatible with
  * the version the software has been compiled against
  */
-#define LIBXML_TEST_VERSION xmlCheckVersion(20903);
+#define LIBXML_TEST_VERSION xmlCheckVersion(20904);
 
 #ifndef VMS
 #if 0