Update llama.cpp layer

diff --git a/sources/llama.cpp b/sources/llama.cpp
index ad5fbadf71e40b4884a637c57151f6589591501c..dd7a962bdc9481cc779b5c8a3562a4a749ffec71 160000 (submodule)
--- a/sources/llama.cpp
+++ b/sources/llama.cpp
@@ -1 +1 @@
-Subproject commit ad5fbadf71e40b4884a637c57151f6589591501c
+Subproject commit dd7a962bdc9481cc779b5c8a3562a4a749ffec71