Need stdint.h for SIZE_MAX

Index: src/common/compat_overflow.c
--- src/common/compat_overflow.c.orig
+++ src/common/compat_overflow.c
@@ -28,6 +28,7 @@
 #include <limits.h>
 #include <stdbool.h>
 #include <stddef.h>
+#include <stdint.h>
 
 #define ADD_OVERFLOW(func, type, max) \
     bool func  (type x, type y, type *sum) \
