fix FeatureList example

Author: kparzysz

flang/examples/FeatureList/FeatureList.cpp

@@ -495,7 +495,7 @@ struct NodeVisitor {
   READ_FEATURE(OmpLinearClause::WithModifier)
   READ_FEATURE(OmpLinearClause::WithoutModifier)
   READ_FEATURE(OmpLinearModifier)
-  READ_FEATURE(OmpLinearModifier::Type)
+  READ_FEATURE(OmpLinearModifier::Value)
   READ_FEATURE(OmpLoopDirective)
   READ_FEATURE(OmpMapClause)
   READ_FEATURE(OmpMapClause::TypeModifier)
@@ -515,7 +515,7 @@ struct NodeVisitor {
   READ_FEATURE(OmpReductionCombiner)
   READ_FEATURE(OmpReductionCombiner::FunctionCombiner)
   READ_FEATURE(OmpReductionInitializerClause)
-  READ_FEATURE(OmpReductionOperator)
+  READ_FEATURE(OmpReductionIdentifier)
   READ_FEATURE(OmpAllocateClause)
   READ_FEATURE(OmpAllocateClause::AllocateModifier)
   READ_FEATURE(OmpAllocateClause::AllocateModifier::Allocator)