Fix tokenize implementation in Swift #6698

Job	Run time
ubuntu-focal-make	1m 19s
ubuntu-latest-cmake	1m 24s
ubuntu-latest-cmake-sanitizer (ADDRESS, Debug)	4m 52s
ubuntu-latest-cmake-sanitizer (ADDRESS, Release)	3m 36s
ubuntu-latest-cmake-sanitizer (THREAD, Debug)	13m 32s
ubuntu-latest-cmake-sanitizer (THREAD, Release)	4m 45s
ubuntu-latest-cmake-sanitizer (UNDEFINED, Debug)	4m 42s
ubuntu-latest-cmake-sanitizer (UNDEFINED, Release)	3m 24s
ios-xcode-build	1m 41s
macOS-latest-cmake	4m 4s
macOS-latest-cmake-ios	1m 45s
macOS-latest-cmake-tvos	2m 7s
macOS-latest-make	3m 15s
macOS-latest-swift (generic/platform=macOS)	2m 41s
macOS-latest-swift (generic/platform=iOS)	2m 49s
ubuntu-latest-cmake-mpi (mpich)	1m 38s
macOS-latest-swift (generic/platform=tvOS)	3m 7s
ubuntu-latest-cmake-mpi (libopenmpi-dev)	1m 42s
windows-latest-cmake (noavx, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_AVX=OFF -DLLAMA_A...	2m 23s
windows-latest-cmake-cublas (12.2.0, cublas)	16m 0s
windows-latest-cmake-cublas (11.7.1, cublas)	16m 9s
windows-latest-cmake (avx2, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DBUILD_SHARED_LIBS=ON)	2m 7s
windows-latest-cmake (avx, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_AVX2=OFF -DBUILD_SH...	3m 5s
windows-latest-cmake (avx512, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_AVX512=ON -DBUIL...	4m 42s
windows-latest-cmake (clblast, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_CLBLAST=ON -DBU...	2m 26s
windows-latest-cmake (openblas, -DLLAMA_NATIVE=OFF -DLLAMA_BUILD_SERVER=ON -DLLAMA_BLAS=ON -DBUIL...	3m 12s
release	0s
	1h 52m 27s

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