update changes

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@511 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

changes4.3.html

@@ -14,6 +14,12 @@
 
 <h1>Changes in YAP4.3</h1>
 
+<h2>Yap-4.3.22:</h2>
+<ul>
+	<li>FIXED: use YAPSHAREDIR as in manual (Ashwin Srinivasan).</li>
+	<li>FIXED: warning message about unify_extension.</li>
+</ul>
+
 <h2>Yap-4.3.21:</h2>
 <ul>
 	<li>FIXED: syntax errors dumped all numbers as if small integers.</li>