patch from Mark Vadoc to allow compiling against libxml2 without XPointer

* libxslt/function.c: patch from Mark Vadoc to allow compiling
  against libxml2 without XPointer supoort.
Daniel

ChangeLog

+Mon Sep  1 23:02:12 CEST 2003 Daniel Veillard <daniel@veillard.com>
+
+	* libxslt/function.c: patch from Mark Vadoc to allow compiling
+	  against libxml2 without XPointer supoort.
+
 Fri Aug 29 12:28:12 CEST 2003 Daniel Veillard <daniel@veillard.com>
 
 	* libxslt/transform.c: fixing the bug #120971 on cdata-section-elements

libxslt/functions.c

@@ -106,8 +106,8 @@
     xmlChar *fragment;
     xsltDocumentPtr xsltdoc;
     xmlDocPtr doc;
-    xmlXPathContextPtr xptrctxt;
-    xmlXPathObjectPtr object;
+    xmlXPathContextPtr xptrctxt = NULL;
+    xmlXPathObjectPtr object = NULL;
 
     tctxt = xsltXPathGetTransformContext(ctxt);
     if (tctxt == NULL) {
@@ -161,7 +161,7 @@
     }
 	
     /* use XPointer of HTML location for fragment ID */
-    
+#ifdef LIBXML_XPTR_ENABLED
     xptrctxt = xmlXPtrNewContext(doc, NULL, NULL);
     if (xptrctxt == NULL) {
 	xsltTransformError(xsltXPathGetTransformContext(ctxt), NULL, NULL,
@@ -170,4 +170,5 @@
     }
 
     object = xmlXPtrEval(fragment, xptrctxt);
+#endif
     xmlFree(fragment);
@@ -173,4 +174,5 @@
     xmlFree(fragment);
+	if (xptrctxt != NULL)
     		xmlXPathFreeContext(xptrctxt);
 
     if (object == NULL)