add missing include #437

Job	Run time
build-without-terminfo (gcc)	7m 19s
buildifier	22s
build (--config=clang-format)	7m 51s
test (gcc)	7m 43s
build-without-terminfo (clang)	8m 5s
build (--config=clang-tidy)	2m 32s
test (gcc, asan)	9m 34s
build (--compilation_mode=opt)	8m 2s
test (gcc, tsan)	8m 16s
test (gcc, ubsan)	8m 50s
test (clang)	7m 40s
test (clang, asan)	7m 42s
test (clang, tsan)	9m 6s
test (clang, ubsan)	7m 50s
	1h 40m 52s

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