Include <stddef.h> to get NULL definition.

diff --git a/stdio-common/reg-printf.c b/stdio-common/reg-printf.c
index 99258bd..672652a 100644 (file)
--- a/stdio-common/reg-printf.c
+++ b/stdio-common/reg-printf.c
@@ -19,6 +19,7 @@
 #include <errno.h>
 #include <limits.h>
 #include <printf.h>
+#include <stddef.h>
 #include <stdlib.h>
 
 /* Array of functions indexed by format character.  */