update stdsimd

RalfJung · RalfJung · commit 9f197198b8f7 · 2019-02-14T16:20:56.000+01:00
diff --git a/src/stdsimd b/src/stdsimd
@@ -1 +1 @@
-Subproject commit b23541340b5941749e5fbb1930e666bbd1375244
+Subproject commit c546604f74eba6a7b423d98d3ab0abe9a2e56897
