wpa_gui-qt4: Include cstdio to avoid some compiler issues

It looks like some build systems do not find snprintf() here unless
cstdio is included explicitly.

diff --git a/wpa_supplicant/wpa_gui-qt4/peers.cpp b/wpa_supplicant/wpa_gui-qt4/peers.cpp
index 12626f591c1445421764add2967591c10de35069..f963e318d4bb9d6f2683ef45235fbfdafb119263 100644 (file)
--- a/wpa_supplicant/wpa_gui-qt4/peers.cpp
+++ b/wpa_supplicant/wpa_gui-qt4/peers.cpp
@@ -12,6 +12,7 @@
  * See README and COPYING for more details.
  */
 
+#include <cstdio>
 #include <QImageReader>
 
 #include "wpagui.h"