lib/types.h makes NULL always available

diff --git a/lib/types.h b/lib/types.h
index b06ee08f86ccd3532907fc83a85136195fa5186a..260c981c9397df323f50f8eb50ac0672c80d5ee7 100644 (file)
--- a/lib/types.h
+++ b/lib/types.h
@@ -9,6 +9,7 @@
  */
 
 #include <sys/types.h>
+#include <stddef.h>
 
 #ifndef PCI_HAVE_Uxx_TYPES