Accept output for bug1677, mod178

Changed error messages as per:

Sun Apr  6 12:38:21 PDT 2008  Tim Chevalier <chevalier@alum.wellesley.edu>
  * Improve error message for non-matching file name
 

testsuite/tests/ghc-regress/driver/bug1677/bug1677.stderr

 
-Foo.hs:1:0: file name does not match module name `Main'
+Foo.hs:1:0:
+    File name does not match module name:
+    Saw: `Main'
+    Expected: `Foo'

testsuite/tests/ghc-regress/module/mod178.stderr

 
-Mod178_2.hs:1:0: file name does not match module name `Main'
+Mod178_2.hs:1:0:
+    File name does not match module name:
+    Saw: `Main'
+    Expected: `Mod178_2'