Uncomment COUCHDB_FAUXTON_DOCROOT for couchdb.cmd (#2416)

Fixes #2404 
diff --git a/rel/files/couchdb.cmd.in b/rel/files/couchdb.cmd.in
index 0e9c340..0509688 100644
--- a/rel/files/couchdb.cmd.in
+++ b/rel/files/couchdb.cmd.in
@@ -27,7 +27,7 @@
 
 set COUCHDB_QUERY_SERVER_JAVASCRIPT="{{prefix}}/bin/couchjs {{prefix}}/share/server/main.js"
 set COUCHDB_QUERY_SERVER_COFFEESCRIPT="{{prefix}}/bin/couchjs {{prefix}}/share/server/main-coffee.js"
-REM set COUCHDB_FAUXTON_DOCROOT="{{fauxton_root}}"
+set COUCHDB_FAUXTON_DOCROOT="{{fauxton_root}}"
 
 "%BINDIR%\erl" -boot "%ROOTDIR%\releases\%APP_VSN%\couchdb" ^
 -args_file "%ROOTDIR%\etc\vm.args" ^