murmur: Murmur requires lsb::core

murmur/manifests/init.pp

@@ -22,6 +22,8 @@ class murmur(
     $welcome="<br />Welcome to this server running Murmur.<br />",
 ) {
 
+    require lsb::core
+
     if ! $package {
         fail("Must define parameter package or \$murmur_package_latest")
     }