[gmime] Fixed the unit tests

[Jeffrey Stedfast <fejj src gnome org>]

commit 6ee49c8fec4e5b809d29fd3332fdd0e5e90363f3
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Tue Apr 10 11:26:05 2018 -0400

    Fixed the unit tests

 tests/test-autocrypt.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tests/test-autocrypt.c b/tests/test-autocrypt.c
index ea48c85..dcaf85d 100644
--- a/tests/test-autocrypt.c
+++ b/tests/test-autocrypt.c
@@ -230,10 +230,10 @@ const static struct _ah_inject_test inject_test_data[] = {
          "Message-Id: <lovely-day example net>\n"
          "Date: Mon, 23 Oct 2017 11:54:14 -0400\n"
          "Mime-Version: 1.0\n"
-         "Content-Type: text/plain\n"
          "Autocrypt: addr=alice example org; keydata=CwsLCwsLCwsLCwsLCwsLCwsLCwsL\n"
          " CwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsL\n"
          " CwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsLCwsL\n"
+         "Content-Type: text/plain\n"
          "\n"
          "Isn't it a lovely day?\n",
        },