gcc-changelog: Update test to match new error text

contrib/ChangeLog:

	* gcc-changelog/test_email.py (TestGccChangelog.test_long_lines):
	Update expected error message.

contrib/gcc-changelog/test_email.py

@@ -176,7 +176,7 @@ class TestGccChangelog(unittest.TestCase):
     def test_long_lines(self):
         email = self.get_git_email('long-lines.patch')
         assert len(email.errors) == 1
-        assert email.errors[0].message == 'line limit exceeds 100 characters'
+        assert email.errors[0].message == 'line exceeds 100 character limit'
 
     def test_new_files(self):
         email = self.from_patch_glob('0030')