Update ggml layer

diff --git a/sources/ggml b/sources/ggml
index 08794898359cf76e0f00081c17f477cd521bf832..a1328577ac9b25697c96691deea05a11256a2611 160000 (submodule)
--- a/sources/ggml
+++ b/sources/ggml
@@ -1 +1 @@
-Subproject commit 08794898359cf76e0f00081c17f477cd521bf832
+Subproject commit a1328577ac9b25697c96691deea05a11256a2611