ssize_t wasn't being picked because system headers weren't included
first.
Change-Id: I7748fedaa0c85ed9696e8ef77b0086ecf17ebe29
// Test program for audio_utils FIFO library.
// This only tests the single-threaded aspects, not the barriers.
-#include <audio_utils/fifo.h>
-#include <audio_utils/sndfile.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
+#include <audio_utils/fifo.h>
+#include <audio_utils/sndfile.h>
int main(int argc, char **argv)
{