Update stdsimd submodule

Jethro Beekman · Jethro Beekman · commit 7acb93f786c0 · 2018-11-29T18:00:31.000+05:30
diff --git a/src/stdsimd b/src/stdsimd
@@ -1 +1 @@
-Subproject commit 0309be1ade6bf61066f2c69f77ac3567b7dc31b5
+Subproject commit 5e628c5120c619a22799187371f057ec41e06f87
