[interchange] Fix default Strap charset to use canonical UTF-8

[David Christensen]

commit 7e47540e0374fe82d12f8050c6a5ec89a5c5d05c
Author: David Christensen <david at endpoint.com>
Date:   Wed Oct 5 14:30:41 2016 -0500

    Fix default Strap charset to use canonical UTF-8

 dist/strap/catalog.cfg |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/dist/strap/catalog.cfg b/dist/strap/catalog.cfg
index a16a643..c82367a 100644
--- a/dist/strap/catalog.cfg
+++ b/dist/strap/catalog.cfg
@@ -35,7 +35,7 @@ Require module Safe::Hole     "Need %s %s for embedded perl object access."
 
 # Encoding
 Variable MV_UTF8 1
-Variable MV_HTTP_CHARSET utf-8
+Variable MV_HTTP_CHARSET UTF-8
 
 #==========================================================================#