Adapt to @WhatIsGcc@ being renamed to @CC@ in GHC HEAD

1c137b3d · Herbert Valerio Riedel · 897ba61d · 1c137b3d
Commit 1c137b3d authored Apr 17, 2016 by Herbert Valerio Riedel 🕺
--- a/cfg/system.config.in
+++ b/cfg/system.config.in
@@ -7,7 +7,7 @@

 alex           = @AlexCmd@
 ar             = @ArCmd@
-cc             = @WhatGccIsCalled@
+cc             = @CC@
 happy          = @HappyCmd@
 hs-cpp         = @HaskellCPPCmd@
 hscolour       = @HSCOLOUR@