Updates downloaders: 3c9e473 Updates postfixadmin download URLs

diff --git a/downloaders b/downloaders
index c8c948e3c77f58a67c1a873da64c65af570dff97..3c9e473053ae2d051c276e0c267270fca376b77c 160000 (submodule)
--- a/downloaders
+++ b/downloaders
@@ -1 +1 @@
-Subproject commit c8c948e3c77f58a67c1a873da64c65af570dff97
+Subproject commit 3c9e473053ae2d051c276e0c267270fca376b77c