[libxml2] Fix duplicate xmlStrEqual calls in htmlParseEndTag

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 683de7efe4a4178d62fab85d8c5f4c3bed36b984
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Thu Mar 4 19:06:04 2021 +0100

    Fix duplicate xmlStrEqual calls in htmlParseEndTag

 HTMLparser.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)
---
diff --git a/HTMLparser.c b/HTMLparser.c
index e63e9b78..adefb3b5 100644
--- a/HTMLparser.c
+++ b/HTMLparser.c
@@ -4207,12 +4207,10 @@ htmlParseEndTag(htmlParserCtxtPtr ctxt)
      * With the exception that the autoclose may have popped stuff out
      * of the stack.
      */
-    if (!xmlStrEqual(name, ctxt->name)) {
-        if ((ctxt->name != NULL) && (!xmlStrEqual(ctxt->name, name))) {
-            htmlParseErr(ctxt, XML_ERR_TAG_NAME_MISMATCH,
-                        "Opening and ending tag mismatch: %s and %s\n",
-                        name, ctxt->name);
-        }
+    if ((ctxt->name != NULL) && (!xmlStrEqual(ctxt->name, name))) {
+        htmlParseErr(ctxt, XML_ERR_TAG_NAME_MISMATCH,
+                     "Opening and ending tag mismatch: %s and %s\n",
+                     name, ctxt->name);
     }
 
     /*