Rust

fix typo `ctr16!` to `cstr16!` #7031

Job	Run time
Integration Test (x86_64 Windows)	3m 42s
Integration Test (x86_64)	1m 28s
Integration Test (AArch64)	1m 52s
Unit + Doc Tests (Miri)	1m 10s
Nightly (build, test, doc)	3m 9s
Test Coverage	36s
Unit + Doc Tests	1m 20s
Build (uefi-raw MSRV)	32s
Build (feature permutations)	4m 14s
Build (stable MSRV)	31s
Build Standard Binary (nightly)	23s
Integration Test (IA-32)	1m 30s
	20m 27s

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