common : add cstdio header

diff --git a/examples/common-sdl.cpp b/examples/common-sdl.cpp
index 5329ec739b602bb118852e9d1dcba564fd97dc9f..b61f8cff5fd7223b843a1eb331d4543d0f1eea49 100644 (file)
--- a/examples/common-sdl.cpp
+++ b/examples/common-sdl.cpp
@@ -1,5 +1,7 @@
 #include "common-sdl.h"
 
+#include <cstdio>
+
 audio_async::audio_async(int len_ms) {
     m_len_ms = len_ms;