Fix the build warning #5884

Job	Run time
quiche_macos (macos-13)	4m 43s
quiche_macos (macos-latest)	2m 13s
docker	1m 57s
quiche_ios (x86_64-apple-ios)	1m 24s
quiche_ios (aarch64-apple-ios)	1m 45s
quiche	4m 7s
quiche (boringssl-boring-crate)	2m 52s
quiche_multiarch (aarch64-unknown-linux-gnu)	3m 18s
quiche_multiarch (armv7-unknown-linux-gnueabihf)	3m 31s
quiche (openssl)	5m 39s
quiche_multiarch (i686-unknown-linux-gnu)	1m 53s
quiche_windows (x86_64-pc-windows-msvc)	4m 13s
quiche_windows (i686-pc-windows-msvc)	4m 58s
quiche_windows (x86_64-pc-windows-gnu)	6m 0s
android_ndk_lts (aarch64-linux-android)	1m 7s
quiche_windows (i686-pc-windows-gnu)	8m 38s
android_ndk_lts (armv7-linux-androideabi)	58s
android_ndk_lts (x86_64-linux-android)	1m 3s
android_ndk_lts (i686-linux-android)	59s
http3_test	57s
	1h 2m 15s

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