Correct CheckBytes impl for NonZero integers #47

Job	Run time
Clippy	19s
Features /	7s
Doc	15s
Cross / i686-unknown-linux-gnu	1m 10s
Features /	27s
Cross / i586-unknown-linux-gnu	1m 15s
Format	11s
Cross / armv7-unknown-linux-gnueabihf	1m 9s
Miri /	40s
Test / x86_64-pc-windows-msvc	2m 11s
Cross / aarch64-unknown-linux-gnu	1m 9s
Miri / --release	38s
Test / x86_64-pc-windows-msvc --release	2m 10s
Cross / thumbv6m-none-eabi	1m 5s
Toolchain / stable	9s
Toolchain / stable --release	24s
Toolchain / beta	15s
Toolchain / beta --release	14s
Toolchain / nightly	19s
Toolchain / nightly --release	13s
	14m 20s

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