Fix llama.cpp layer

diff --git a/sources/llama.cpp b/sources/llama.cpp
index 426c1ef7df4104b071a386968bc7125f46b231d0..dfbac83dd94deb92b4bfaf7115d130d3c951574b 160000 (submodule)
--- a/sources/llama.cpp
+++ b/sources/llama.cpp
@@ -1 +1 @@
-Subproject commit 426c1ef7df4104b071a386968bc7125f46b231d0
+Subproject commit dfbac83dd94deb92b4bfaf7115d130d3c951574b