[XRay] Move specialisations into correct namespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285168 91177308-0d34-0410-b5e6-96231b3b80d8

tools/llvm-xray/xray-extract.cc

@@ -58,6 +58,9 @@ struct YAMLXRaySledEntry {
   bool AlwaysInstrument;
 };
 
+namespace llvm {
+namespace yaml {
+
 template <> struct ScalarEnumerationTraits<SledEntry::FunctionKinds> {
   static void enumeration(IO &IO, SledEntry::FunctionKinds &Kind) {
     IO.enumCase(Kind, "function-enter", SledEntry::FunctionKinds::ENTRY);
@@ -78,6 +81,9 @@ template <> struct MappingTraits<YAMLXRaySledEntry> {
   static constexpr bool flow = true;
 };
 
+}
+}
+
 LLVM_YAML_IS_SEQUENCE_VECTOR(YAMLXRaySledEntry)
 
 namespace {