lib: lookup(): support 0 as a key, use NULL str for end of list

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/log.c b/lib/log.c
index e2ac0386..58b25a09 100644
--- a/lib/log.c
+++ b/lib/log.c
@@ -761,7 +761,7 @@ lookup (const struct message *mes, int key)
 {
   const struct message *pnt;
 
-  for (pnt = mes; pnt->key != 0; pnt++) 
+  for (pnt = mes; pnt->str; pnt++)
     if (pnt->key == key) 
       return pnt->str;