ccnx: Set epoch 3, so the port will be upgrading
diff --git a/net/ccnx/Portfile b/net/ccnx/Portfile
index 85d738b..5e1b1f8 100644
--- a/net/ccnx/Portfile
+++ b/net/ccnx/Portfile
@@ -12,6 +12,7 @@
 homepage                http://www.ccnx.org/
 license                 GPL-2+ LGPL-2.1+
 version                 0.7.2rc1.ndn.1
+epoch                   3
 
 categories              net
 platforms               darwin