Added missing stdio include in test program.
diff --git a/test/testmultiaudio.c b/test/testmultiaudio.c
index f0f1ce1..019107f 100644
--- a/test/testmultiaudio.c
+++ b/test/testmultiaudio.c
@@ -11,6 +11,8 @@
*/
#include "SDL.h"
+#include <stdio.h> /* for fflush() and stdout */
+
static SDL_AudioSpec spec;
static Uint8 *sound = NULL; /* Pointer to wave data */
static Uint32 soundlen = 0; /* Length of wave data */