Fix future resolved more than once

Fatme Havaluova · Fatme Havaluova · commit 18af6d38ada4 · 2015-02-23T12:54:37.000+02:00
diff --git a/lib/common b/lib/common
@@ -1 +1 @@
-Subproject commit 377c102ad6563843e220e191b9ac43899f735480
+Subproject commit 863b3ba69ec7ff4d6f67c6c8e1ebc766f83003ed
