Include <optional> in multibyte split. (#10385)

#10150 broke compiler support for GCC 11 (built locally) because it was missing `#include <optional>` in a couple files. This fixes it. cc: @cwharris Authors: - Bradley Dice (https://github.com/bdice) Approvers: - Robert Maynard (https://github.com/robertmaynard) - Karthikeyan (https://github.com/karthikeyann) URL: #10385
rapidsai · Mar 2, 2022 · fbac0ac · fbac0ac
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diff --git a/cpp/include/cudf/io/text/multibyte_split.hpp b/cpp/include/cudf/io/text/multibyte_split.hpp
@@ -23,6 +23,7 @@
 #include <rmm/mr/device/device_memory_resource.hpp>
 
 #include <memory>
+#include <optional>
 
 namespace cudf {
 namespace io {

diff --git a/cpp/src/io/text/multibyte_split.cu b/cpp/src/io/text/multibyte_split.cu
@@ -40,6 +40,7 @@
 #include <cub/block/block_scan.cuh>
 
 #include <memory>
+#include <optional>
 
 namespace {