Update multibuild submodule to py36 branch

jorisvandenbossche · jorisvandenbossche · commit 8296fcc9905a · 2016-12-28T16:05:11.000+01:00
diff --git a/multibuild b/multibuild
@@ -1 +1 @@
-Subproject commit 6802dca5d640b277aa84009b857074e3d86bd994
+Subproject commit cd526bf4505fc4a10d7d045350053ff9954892fa
