Merge pull request #1 from isuzdal/fix-module-dir-location

Comment out module-dir parameter
diff --git a/powerdns/files/pdns.conf b/powerdns/files/pdns.conf
index 58417ed..02970e5 100644
--- a/powerdns/files/pdns.conf
+++ b/powerdns/files/pdns.conf
@@ -145,7 +145,7 @@
 #################################
 # module-dir	Default directory for modules
 #
-module-dir=/usr/lib/powerdns
+# module-dir=/usr/lib/powerdns
 
 #################################
 # negquery-cache-ttl	Seconds to store packets in the PacketCache