End nginx configuration files with a newline

letsencrypt-nginx/letsencrypt_nginx/nginxparser.py

@@ -85,7 +85,7 @@ class RawNginxDumper(object):
 
     def as_string(self):
         """Return the parsed block as a string."""
-        return '\n'.join(self)
+        return '\n'.join(self) + '\n'
 
 
 # Shortcut functions to respect Python's serialization interface

letsencrypt-nginx/letsencrypt_nginx/tests/nginxparser_test.py

@@ -63,7 +63,7 @@ class TestRawNginxParser(unittest.TestCase):
                          '            image/jpeg jpg;\n'
                          '        }\n'
                          '    }\n'
-                         '}')
+                         '}\n')
 
     def test_parse_from_file(self):
         with open(util.get_data_filename('foo.conf')) as handle:

letsencrypt-nginx/letsencrypt_nginx/tests/testdata/etc_nginx/minimalistic_comments.new.conf

@@ -8,4 +8,4 @@ server {
     #
     listen 1234;
     # listen 80;
-}
+}

letsencrypt-nginx/letsencrypt_nginx/tests/testdata/etc_nginx/nginx.new.conf

@@ -80,4 +80,4 @@ http {
             index index.html index.htm;
         }
     }
-}
+}