update Example with NoImplicitPrelude

Adam C. Foltzer · Adam C. Foltzer · commit c5496f324080 · 2016-01-11T12:12:37.000-08:00
This adds a check for the issue in acfoltzer#1
diff --git a/Example.hs b/Example.hs
@@ -1,5 +1,7 @@
+{-# LANGUAGE NoImplicitPrelude #-}
 {-# LANGUAGE TemplateHaskell #-}
 module Example where
+import Prelude (String, concat, error, otherwise)
 import Development.GitRev
 
 panic :: String -> a
