[MLIR] Apply clang-tidy fixes for misc-use-internal-linkage in ODSSupport.cpp (NFC)

Author: joker-eph

mlir/lib/IR/ODSSupport.cpp

@@ -112,7 +112,7 @@ Attribute mlir::convertToAttribute(MLIRContext *ctx, bool storage) {
 }
 
 template <typename DenseArrayTy, typename T>
-LogicalResult
+static LogicalResult
 convertDenseArrayFromAttr(MutableArrayRef<T> storage, Attribute attr,
                           function_ref<InFlightDiagnostic()> emitError,
                           StringRef denseArrayTyStr) {
@@ -143,7 +143,7 @@ mlir::convertFromAttribute(MutableArrayRef<int32_t> storage, Attribute attr,
 }
 
 template <typename DenseArrayTy, typename T>
-LogicalResult
+static LogicalResult
 convertDenseArrayFromAttr(SmallVectorImpl<T> &storage, Attribute attr,
                           function_ref<InFlightDiagnostic()> emitError,
                           StringRef denseArrayTyStr) {