Fixed incorrect docs redirects.

throw_exception.html

@@ -1,7 +1,7 @@
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 <html>
 <head>
-    <meta http-equiv=refresh content="0; URL=../exception/doc/throw_exception.html">
+    <meta http-equiv=refresh content="0; URL=../throw_exception/doc/html/throw_exception.html#using_boost_throw_exception">
     <title>Automatic redirection</title>
 </head>
 <body>