fixed svn revision number for 1.7 release
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index f496b89..b57bf22 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -59,7 +59,7 @@
 

 <h2>Version 1.7</h2>

 <p>Release Date: October 23, 2008<br />

-SVN Revision: 1538</p>

+SVN Revision: 1541</p>

 

 <ul>

 	<li>Libraries