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/zeroing/averager.h b/frc971/zeroing/averager.h
index 23a1b06..0e15d13 100644
--- a/frc971/zeroing/averager.h
+++ b/frc971/zeroing/averager.h
@@ -3,7 +3,7 @@
 
 #include <algorithm>
 #include <array>
-#include <stdint.h>
+#include <cstdint>
 
 #include "Eigen/Dense"
 #include "glog/logging.h"