[MLIR] Apply clang-tidy fixes for performance-unnecessary-value-param in DialectConversion.cpp (NFC)

Author: joker-eph

mlir/lib/Transforms/Utils/DialectConversion.cpp

@@ -25,6 +25,7 @@
 #include "llvm/Support/SaveAndRestore.h"
 #include "llvm/Support/ScopedPrinter.h"
 #include <optional>
+#include <utility>
 
 using namespace mlir;
 using namespace mlir::detail;
@@ -1051,7 +1052,7 @@ struct ConversionPatternRewriterImpl : public RewriterBase::Listener {
         MLIRContext *context,
         std::function<void(Operation *)> opErasedCallback = nullptr)
         : RewriterBase(context, /*listener=*/this),
-          opErasedCallback(opErasedCallback) {}
+          opErasedCallback(std::move(opErasedCallback)) {}
 
     /// Erase the given op (unless it was already erased).
     void eraseOp(Operation *op) override {