Merge pull request #943 from scritch1sm/v0.16.0_patches

Specify file open permissions needed as read only.

LLama/Native/SafeLlamaModelHandle.cs

@@ -133,7 +133,7 @@ public static SafeLlamaModelHandle LoadFromFile(string modelPath, LLamaModelPara
  // - File exists (automatically throws FileNotFoundException)
  // - File is readable (explicit check)
  // This provides better error messages that llama.cpp, which would throw an access violation exception in both cases.
- using (var fs = new FileStream(modelPath, FileMode.Open))
+ using (var fs = new FileStream(modelPath, FileMode.Open, FileAccess.Read))
  if (!fs.CanRead)
  throw new InvalidOperationException($"Model file '{modelPath}' is not readable");