added definition of NULL

diff --git a/dbck/dbck.h b/dbck/dbck.h
index 3d39787db687a2ad1f60ff7fa4a628f69e92bb12..0753c4ef98fe82e14391904d8ff1c2667e68790d 100644 (file)
--- a/dbck/dbck.h
+++ b/dbck/dbck.h
@@ -10,6 +10,8 @@
 #include <sms_app.h>
 #include <mit-copyright.h>
 
+#define NULL 0
+
 #define MODE_ASK 1
 #define MODE_NO 2
 #define MODE_PREEN 3