Add dummy DKEY define

diff --git a/libraries/libmdb/mdb.c b/libraries/libmdb/mdb.c
index e14e141a8b0494ed8d24de0661c8b4a2b13b8422..154dbe2d610a348bf737d130475aee94b94e7660 100644 (file)
--- a/libraries/libmdb/mdb.c
+++ b/libraries/libmdb/mdb.c
@@ -300,7 +300,7 @@ typedef ID  txnid_t;
 #define        DKEY(x) mdb_dkey(x, kbuf)
 #else
 #define        DKBUF   typedef int dummy_kbuf  /* so we can put ';' after */
-#define DKEY(x)
+#define DKEY(x)        0
 #endif
 
 /**    @defgroup lazylock      Lazy Locking