Update CUB to fix maybe-uninitialized warnings.

griwes · griwes · commit 42e4491e0699 · 2020-02-07T22:49:43.000+01:00
diff --git a/dependencies/cub b/dependencies/cub
@@ -1 +1 @@
-Subproject commit 22b057306da72a353af837b5bfc887f036660486
+Subproject commit 634086487382cd5db5a83448e1b80df508f82b68
