Upgrade to libxml 2.9.2 and libxslt 1.1.28

third_party/libxslt/libexslt/common.c

Index: third_party/libxslt/libexslt/common.c
diff --git a/third_party/libxslt/libexslt/common.c b/third_party/libxslt/libexslt/common.c
index 77f352e5ab57a0c5a3a809be04a3edd1bec6af9f..451a60d80af76a3dab7b49439603f3c00c0d045e 100644
--- a/third_party/libxslt/libexslt/common.c
+++ b/third_party/libxslt/libexslt/common.c
@@ -46,16 +46,16 @@ exsltNodeSetFunction (xmlXPathParserContextPtr ctxt, int nargs) {
 	if (fragment == NULL) {
 	    xsltTransformError(tctxt, NULL, tctxt->inst,
 		"exsltNodeSetFunction: Failed to create a tree fragment.\n");
-	    tctxt->state = XSLT_STATE_STOPPED; 
+	    tctxt->state = XSLT_STATE_STOPPED;
 	    return;
 	}
 	xsltRegisterLocalRVT(tctxt, fragment);
 
 	strval = xmlXPathPopString (ctxt);
-	
+
 	txt = xmlNewDocText (fragment, strval);
 	xmlAddChild((xmlNodePtr) fragment, txt);
-	obj = xmlXPathNewNodeSet(txt);	
+	obj = xmlXPathNewNodeSet(txt);
 	if (obj == NULL) {
 	    xsltTransformError(tctxt, NULL, tctxt->inst,
 		"exsltNodeSetFunction: Failed to create a node set object.\n");
@@ -69,7 +69,7 @@ exsltNodeSetFunction (xmlXPathParserContextPtr ctxt, int nargs) {
 	}
 	if (strval != NULL)
 	    xmlFree (strval);
-	
+
 	valuePush (ctxt, obj);
     }
 }