2015-06-23: wisp-scheme: force wisp mode

wisp-scheme: force wisp mode

diff --git a/wisp-scheme.w b/wisp-scheme.w
--- a/wisp-scheme.w
+++ b/wisp-scheme.w
@@ -1,4 +1,5 @@
 #!/bin/bash
+# -*- wisp -*-
 exec guile -L . --language=wisp -s "$0" "$@"
 ; !#