Roll libxml to 8effcb578e0590cc01bbcab0f9dccefc6bdbcdbd

third_party/libxml/src/m4/lt~obsolete.m4

Index: third_party/libxml/src/m4/lt~obsolete.m4
diff --git a/third_party/libxml/src/m4/lt~obsolete.m4 b/third_party/libxml/src/m4/lt~obsolete.m4
index c6b26f88f6c3c1a052afa6314ba2adf832d785ee..c573da90c5ccebffba4dce9a6462036bfa986d5f 100644
--- a/third_party/libxml/src/m4/lt~obsolete.m4
+++ b/third_party/libxml/src/m4/lt~obsolete.m4
@@ -1,7 +1,6 @@
 # lt~obsolete.m4 -- aclocal satisfying obsolete definitions.    -*-Autoconf-*-
 #
-#   Copyright (C) 2004-2005, 2007, 2009, 2011-2015 Free Software
-#   Foundation, Inc.
+#   Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
 #   Written by Scott James Remnant, 2004.
 #
 # This file is free software; the Free Software Foundation gives
@@ -12,7 +11,7 @@
 
 # These exist entirely to fool aclocal when bootstrapping libtool.
 #
-# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN),
+# In the past libtool.m4 has provided macros via AC_DEFUN (or AU_DEFUN)
 # which have later been changed to m4_define as they aren't part of the
 # exported API, or moved to Autoconf or Automake where they belong.
 #
@@ -26,7 +25,7 @@
 # included after everything else.  This provides aclocal with the
 # AC_DEFUNs it wants, but when m4 processes it, it doesn't do anything
 # because those macros already exist, or will be overwritten later.
-# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6.
+# We use AC_DEFUN over AU_DEFUN for compatibility with aclocal-1.6. 
 #
 # Anytime we withdraw an AC_DEFUN or AU_DEFUN, remember to add it here.
 # Yes, that means every name once taken will need to remain here until