Snippets for ggml 0.22.0 from Nix aarch64-linux

Sourced from https://hydra.nixos.org/log/6bcpwxkqk6ng01kaivfxymw969x1brmg-ggml-0.22.0.drv.

• /build/source/src/ggml-cpu/simd-gemm.h:79:39: warning: iteration 4611686018427387903 invokes undefined behavior [-Waggressive-loop-optimizations]
     79 |                 float a = C[i * N + jj];
        |                                       ^
  

• /build/source/examples/stb_image.h:5166:56: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
   5166 |                   for (k = 0; k < s->img_n; ++k) tc[k] = (stbi_uc)(stbi__get16be(s) & 255) * stbi__depth_scale_table[z->depth]; // non 8-bit images will be larger
        |                                                  ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~