pv: updated link to wiki site

(cherry picked from commit ebeb18ffed8e81ae472b4c07097b58fbea115b5b)

modules/pv/README

@@ -91,7 +91,7 @@ Chapter 1. Admin Guide
 
    This module collects the core pseudo-variables that can be used in
    configuration file. They are listed in Dokuwiki:
-   http://www.kamailio.org/dokuwiki/, in Pseudo-Variables section
+   http://www.kamailio.org/wiki/, in Pseudo-Variables section
 
 2. Dependencies
 

modules/pv/doc/pv_admin.xml

@@ -18,7 +18,7 @@
 	<para>
 		This module collects the core pseudo-variables that can be used in
 		configuration file. They are listed in Dokuwiki:
-		<ulink url="http://www.kamailio.org/dokuwiki/">http://www.kamailio.org/dokuwiki/</ulink>,
+		<ulink url="http://www.kamailio.org/wiki/">http://www.kamailio.org/wiki/</ulink>,
 		in Pseudo-Variables section
 	</para>
 	</section>