fixing HTML entities in attributes parsing bug #362552 added to the

* HTMLparser.c: fixing HTML entities in attributes parsing bug #362552
* result/HTML/entities2.html* test/HTML/entities2.html: added to
  the regression suite
Daniel
diff --git a/HTMLparser.c b/HTMLparser.c
index 1719c4c..590083c 100644
--- a/HTMLparser.c
+++ b/HTMLparser.c
@@ -2377,7 +2377,7 @@
 			growBuffer(buffer);
 			out = &buffer[indx];
 		    }
-		    c = (xmlChar)ent->value;
+		    c = ent->value;
 		    if      (c <    0x80)
 			{ *out++  = c;                bits= -6; }
 		    else if (c <   0x800)