Update fake-sys submodule

ddemidov · ddemidov · commit 2d42afd9cc7d · 2019-11-14T12:38:04.000+03:00
diff --git a/tests/fake-sys b/tests/fake-sys
@@ -1 +1 @@
-Subproject commit 9f8ad218d19b0e4defcf477ba0a181c1b9f54b96
+Subproject commit 64c4af7a029aca4da07f3de7d85e9f7e8d407219
