upgrade the testsuite to work with GHC 6.12

testsuite/compiler/update/ArrityCheck.gfs.gold

@@ -1,8 +1,8 @@
-␍
-␍
-C:\gf_3\testsuite\compiler\update\ArrityCheck.gf:6:1: cannot unify the informations␍
-    fun f : Int -> Int -> Int ;␍
-    def f 0 = \x -> x ;␍
-and␍
-    def f 1 1 = 0 ;␍
-in module ArrityCheck␍
+
+
+C:\gf\testsuite\compiler\update\ArrityCheck.gf:6:1: cannot unify the informations
+    fun f : Int -> Int -> Int ;
+    def f 0 = \x -> x ;
+and
+    def f 1 1 = 0 ;
+in module ArrityCheck