pv: fixed author name

- forgotten when creating readme files starting from another module
  docbook files

modules_k/pv/README

@@ -1,6 +1,6 @@
 Pseudo-Variables Module
 
-Daniel-Constantin Modroiu
+Daniel-Constantin Mierla
 
    asipto.com
    <[email protected]>

modules_k/pv/doc/pv.xml

@@ -15,7 +15,7 @@
 	<authorgroup>
 	    <author>
 		<firstname>Daniel-Constantin</firstname>
-		<surname>Modroiu</surname>
+		<surname>Mierla</surname>
 		<affiliation><orgname>asipto.com</orgname></affiliation>
 		<email>[email protected]</email>
 		<address>