commiting the new xmlsave module before the actuall big code change.

* Makefile.am tree.c xmlsave.c include/libxml/xmlsave.h: commiting
  the new xmlsave module before the actuall big code change.
Daniel
diff --git a/Makefile.am b/Makefile.am
index f9feb84..70d350f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -27,7 +27,7 @@
 		catalog.c globals.c threads.c c14n.c xmlstring.c \
 		xmlregexp.c xmlschemas.c xmlschemastypes.c xmlunicode.c \
 		triostr.c trio.c xmlreader.c relaxng.c dict.c SAX2.c \
-		xmlwriter.c legacy.c chvalid.c pattern.c
+		xmlwriter.c legacy.c chvalid.c pattern.c xmlsave.c
 else
 libxml2_la_SOURCES = SAX.c entities.c encoding.c error.c parserInternals.c  \
 		parser.c tree.c hash.c list.c xmlIO.c xmlmemory.c uri.c  \
@@ -36,7 +36,7 @@
 		catalog.c globals.c threads.c c14n.c xmlstring.c \
 		xmlregexp.c xmlschemas.c xmlschemastypes.c xmlunicode.c \
 		xmlreader.c relaxng.c dict.c SAX2.c \
-		xmlwriter.c legacy.c chvalid.c pattern.c
+		xmlwriter.c legacy.c chvalid.c pattern.c xmlsave.c
 endif
 
 DEPS = $(top_builddir)/libxml2.la