Update ggml layer

diff --git a/sources/ggml b/sources/ggml
index 187542a5d0ec2250965dee7d1fc23f3d093db626..08794898359cf76e0f00081c17f477cd521bf832 160000 (submodule)
--- a/sources/ggml
+++ b/sources/ggml
@@ -1 +1 @@
-Subproject commit 187542a5d0ec2250965dee7d1fc23f3d093db626
+Subproject commit 08794898359cf76e0f00081c17f477cd521bf832