From b16adb7bcf4817c7fa42f19be2d7b028109b3672 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 2 Sep 2017 00:15:54 +0300
Subject: Fix compilation for old compilers.

---
 src/gui/windows/mailviewwindow.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gui/windows/mailviewwindow.cpp b/src/gui/windows/mailviewwindow.cpp
index e87284536..5f5f6fe15 100644
--- a/src/gui/windows/mailviewwindow.cpp
+++ b/src/gui/windows/mailviewwindow.cpp
@@ -18,6 +18,8 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define __STDC_FORMAT_MACROS
+
 #include "gui/windows/mailviewwindow.h"
 
 #include "settings.h"
@@ -47,6 +49,10 @@
 #include <inttypes.h>
 #endif  // PRId64
 
+#ifndef PRId64
+#error int types not loaded
+#endif  // PRId64
+
 #include "debug.h"
 
 MailViewWindow *mailViewWindow = nullptr;
-- 
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