Replace use of deprecated C Standard library headers in C++ code.

Change-Id: I9fa6630c7e4bdb2897df34d417635d8c7d8253bc
Signed-off-by: Tyler Chatow <tchatow@gmail.com>
diff --git a/frc971/wpilib/buffered_pcm.cc b/frc971/wpilib/buffered_pcm.cc
index 3123add..7f6cb37 100644
--- a/frc971/wpilib/buffered_pcm.cc
+++ b/frc971/wpilib/buffered_pcm.cc
@@ -1,6 +1,6 @@
 #include "frc971/wpilib/buffered_pcm.h"
 
-#include <inttypes.h>
+#include <cinttypes>
 
 #include "aos/logging/logging.h"
 #include "hal/HAL.h"