misc: Fix typo in dwio/IntDecoder #13682

Job	Run time
Build	47m 34s
Build with Clang	0s
Presto Fuzzer	15m 49s
Spark Aggregate Fuzzer	15m 44s
Exchange Fuzzer	16m 16s
Join Fuzzer	17m 32s
Presto Bias Fuzzer	0s
Spark Fuzzer	15m 50s
Biased Aggregation Fuzzer with Presto as source of truth	0s
Window Fuzzer with Presto as source of truth	17m 36s
Aggregation Fuzzer with Presto as source of truth	17m 37s
Writer Fuzzer with Presto as source of truth	17m 32s
RowNumber Fuzzer	15m 50s
Spark Bias Fuzzer	0s
Signature Changes	4s
	3h 17m 24s

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