Fix lb bug in peadm::setup::node_manager class

When this was refactored, the wrong defaults were given to the compiler
load balancer address variables. They should default to the A and B
*servers*, not the A and B postgresql hosts.

Author: reidmv

Diff for: manifests/setup/node_manager.pp

@@ -31,8 +31,8 @@
   Optional[String[1]] $postgresql_b_host                = $server_b_host,
 
   Optional[String[1]] $compiler_pool_address            = undef,
-  Optional[String[1]] $internal_compiler_a_pool_address = $postgresql_a_host,
-  Optional[String[1]] $internal_compiler_b_pool_address = $postgresql_b_host,
+  Optional[String[1]] $internal_compiler_a_pool_address = $server_a_host,
+  Optional[String[1]] $internal_compiler_b_pool_address = $server_b_host,
 ) {
 
   # "Not-configured" placeholder string. This will be used in places where we