diplomacy: LazyModule factory uses ValName (#1159)

* diplomacy: LazyModule factory uses ValName

src/main/scala/diplomacy/LazyModule.scala

@@ -141,7 +141,7 @@ object LazyModule
   protected[diplomacy] var scope: Option[LazyModule] = None
   private var index = 0
 
-  def apply[T <: LazyModule](bc: T)(implicit sourceInfo: SourceInfo): T = {
+  def apply[T <: LazyModule](bc: T)(implicit valName: ValName, sourceInfo: SourceInfo): T = {
     // Make sure the user put LazyModule around modules in the correct order
     // If this require fails, probably some grandchild was missing a LazyModule
     // ... or you applied LazyModule twice