Adding the entry left out in commit 12826.

ChangeLog

@@ -238,6 +238,8 @@ Version 1.5.2 - SVN
     (#1829098).
   - Some IMAP servers send nil for an empty email body (See RFC2180,
     section 4.1.3 on empty strings).
+  - Let configtest.php use optional PEAR dynamic extension loading,
+    patch by Walter Huijbers (#1833123).
   - Fix for IMAP servers that were having problems saving sent messages