cmake: fix CMP0194 warning on Windows with MSVC#21630

ggerganov merged 2 commits intoggml-org:masterggml-org/llama.cpp:masterfrom

texasich:fix/cmake-cmp0194-msvc-warningtexasich/llama.cpp:fix/cmake-cmp0194-msvc-warningCopy head branch name to clipboard