vulkan: fix 32-bit integer overflow in CEIL_DIV (ggml-org#25245)

Author: hokanosekai

ggml/src/ggml-vulkan/ggml-vulkan.cpp

@@ -129,7 +129,7 @@ typedef struct VkPhysicalDeviceShaderMixedFloatDotProductFeaturesVALVE {
 #endif
 
 #define ROUNDUP_POW2(M, N) (((M) + (N) - 1) & ~((N) - 1))
-#define CEIL_DIV(M, N) (((M) + (N)-1) / (N))
+#define CEIL_DIV(M, N) (((M) / (N)) + (((M) % (N)) != 0))
 static bool is_pow2(uint32_t x) { return x > 1 && (x & (x-1)) == 0; }
 
 #define VK_VENDOR_ID_AMD 0x1002