Fix issue #1350 - set the node type to match the atomic TIntermAggregate node type so that AtomicSMin/Max is not generated with a result type of void.

hlsl/hlslParseHelper.cpp

@@ -4815,6 +4815,7 @@ void HlslParseContext::decomposeIntrinsic(const TSourceLoc& loc, TIntermTyped*&
                 } else {
                     // Set the matching operator.  Since output is absent, this is all we need to do.
                     node->getAsAggregate()->setOperator(atomicOp);
+                    node->setType(atomic->getType());
                 }
             }