ggml/gguf : prevent integer overflows (#19856) #41

Job	Run time
windows-cpu (arm64)	6m 40s
ubuntu-22-cpu (s390x, ubuntu-24.04-s390x)	1d 0h 0m 1s
windows-cpu (x64)	10m 30s
ubuntu-22-cpu (x64, ubuntu-22.04)	6m 13s
ubuntu-22-rocm (7.2, gfx908;gfx90a;gfx942;gfx1030;gfx1100;gfx1101;gfx1151;gfx1150;gfx1200;gfx1201...	1h 2m 14s
windows (opencl-adreno, arm64, -G "Ninja Multi-Config" -D CMAKE_TOOLCHAIN_FILE=cmake/arm64-window...	2m 8s
windows-sycl	10m 46s
windows (vulkan, x64, -DGGML_VULKAN=ON, ggml-vulkan)	8m 50s
macOS-arm64	3m 56s
macOS-x64	10m 1s
windows-hip (radeon, gfx1151;gfx1200;gfx1201;gfx1100;gfx1101;gfx1102;gfx1030;gfx1031;gfx1032)	1h 1m 52s
openEuler-cann (x86, 310p, Release, off)	14m 39s
windows-cuda (13.1)	1h 23m 11s
ios-xcode-build	23m 14s
openEuler-cann (x86, 910b, Release, on)	11m 31s
windows-cuda (12.4)	1h 18m 35s
openEuler-cann (aarch64, 910b, Release, on)	8m 37s
ubuntu-22-vulkan	9m 51s
openEuler-cann (aarch64, 310p, Release, off)	8m 35s
release	0s
	1d 7h 1m 24s

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