[NFC] Fix typos in code comments. (#5286)

This just fixes two small typos in code comments.

Nothing to see here...

Author: llvm-beanz

tools/clang/lib/CodeGen/CGHLSLMSFinishCodeGen.cpp

@@ -757,7 +757,7 @@ void AddOpcodeParamForIntrinsic(
     DXASSERT(resTy, "must find the resource type");
     // Change object type to handle type.
     paramTyList[HLOperandIndex::kSubscriptObjectOpIdx] = HandleTy;
-    // Change RetTy into pointer of resource reture type.
+    // Change RetTy into pointer of resource return type.
     RetTy = cast<StructType>(resTy)->getElementType(0)->getPointerTo();
   }
 

tools/clang/lib/Sema/SemaHLSL.cpp

@@ -3068,7 +3068,7 @@ class HLSLExternalSource : public ExternalSemaSource {
   /// <summary>Adds all supporting declarations to reference scalar types.</summary>
   void AddHLSLScalarTypes();
 
-  /// <summary>Adds string type QualType for HSLS string declarations</summary>
+  /// <summary>Adds string type QualType for HLSL string declarations</summary>
   void AddHLSLStringType();
 
   QualType GetTemplateObjectDataType(_In_ CXXRecordDecl* recordDecl)