module: Deprecate module API

This was only used by libxslt which switched to a private
implementation.

include/libxml/xmlmodule.h

@@ -37,15 +37,19 @@ typedef enum {
     XML_MODULE_LOCAL= 2		/* local binding */
 } xmlModuleOption;
 
+XML_DEPRECATED
 XMLPUBFUN xmlModulePtr xmlModuleOpen	(const char *filename,
 						 int options);
 
+XML_DEPRECATED
 XMLPUBFUN int xmlModuleSymbol		(xmlModulePtr module,
 						 const char* name,
 						 void **result);
 
+XML_DEPRECATED
 XMLPUBFUN int xmlModuleClose		(xmlModulePtr module);
 
+XML_DEPRECATED
 XMLPUBFUN int xmlModuleFree		(xmlModulePtr module);
 
 #ifdef __cplusplus

testModule.c

@@ -6,6 +6,8 @@
  * joelwreed@comcast.net
  */
 
+#define XML_DEPRECATED
+
 #include "libxml.h"
 #include <stdio.h>
 #include <libxml/xmlversion.h>