Fix JSON error... again.

Change-Id: I1c124371e562962a22dd606aa966d0c19a64c40d
diff --git a/mendel-builder/aptly.conf b/mendel-builder/aptly.conf
index 2ca6851..0e2fb8c 100644
--- a/mendel-builder/aptly.conf
+++ b/mendel-builder/aptly.conf
@@ -4,6 +4,6 @@
   "FileSystemPublishEndpoints": {
     "public": {
       "rootDir": "/var/lib/aptly/publishes"
-    },
+    }
   }
 }