Upgrade to libxml 2.9.2 and libxslt 1.1.28

third_party/libxslt/libxslt/imports.c

Index: third_party/libxslt/libxslt/imports.c
diff --git a/third_party/libxslt/libxslt/imports.c b/third_party/libxslt/libxslt/imports.c
index 23538abf51ac8f1ec65c66aa5da04ae11bb48f56..9277b4f64fd87883df7554e2201bb779780dfb7c 100644
--- a/third_party/libxslt/libxslt/imports.c
+++ b/third_party/libxslt/libxslt/imports.c
@@ -59,10 +59,10 @@
  * @style: the stylesheet being imported by the master
  *
  * normalize the comp steps for the stylesheet being imported
- * by the master, together with any imports within that. 
+ * by the master, together with any imports within that.
  *
  */
-static void xsltFixImportedCompSteps(xsltStylesheetPtr master, 
+static void xsltFixImportedCompSteps(xsltStylesheetPtr master,
 			xsltStylesheetPtr style) {
     xsltStylesheetPtr res;
     xmlHashScan(style->templatesHash,
@@ -230,7 +230,7 @@ xsltParseStylesheetInclude(xsltStylesheetPtr style, xmlNodePtr cur) {
 	    "xsl:include : unable to load %s\n", URI);
 	goto error;
     }
-#ifdef XSLT_REFACTORED    
+#ifdef XSLT_REFACTORED
     if (IS_XSLT_ELEM_FAST(cur) && (cur->psvi != NULL)) {
 	((xsltStyleItemIncludePtr) cur->psvi)->include = include;
     } else {