Update K submodule.

chathhorn · chathhorn · commit b57da644c15f · 2019-09-30T11:49:57.000-05:00
diff --git a/.build/k b/.build/k
@@ -1 +1 @@
-Subproject commit cd12de693687b59870c360132d25070642cd5fd5
+Subproject commit 18e39c68fd578cd52cd1eb76c1c1bef8c6c26d86
