Apply clang-tidy fixes for llvm-qualified-auto in TensorOps.cpp (NFC)

Author: joker-eph

mlir/lib/Dialect/Tensor/IR/TensorOps.cpp

@@ -817,7 +817,7 @@ struct DimOfDestStyleOp : public OpRewritePattern<DimOp> {
       return failure();
 
     auto resultIndex = source.cast<OpResult>().getResultNumber();
-    auto initOperand = destOp.getDpsInitOperand(resultIndex);
+    auto *initOperand = destOp.getDpsInitOperand(resultIndex);
 
     rewriter.modifyOpInPlace(
         dimOp, [&]() { dimOp.getSourceMutable().assign(initOperand->get()); });