Update stdsimd submodule

kazcw · kazcw · commit 3d9231c453a6 · 2018-10-23T09:51:02.000-07:00
Fixes a SSE2 bug.
diff --git a/src/stdsimd b/src/stdsimd
@@ -1 +1 @@
-Subproject commit 307650500de5b44dc1047dc9d15e449e09d92b57
+Subproject commit 431766a3fbcfb6dafb2d5a3866c1609bf44ee554
