[cleanup] Allow message tables to be constant

Avoid bugs, and improve cache locality by allowing message lists
to be read/only.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/log.h b/lib/log.h
index 86097919..2dd1d313 100644
--- a/lib/log.h
+++ b/lib/log.h
@@ -151,7 +151,7 @@ extern int zlog_rotate (struct zlog *);
 #define LOOKUP(x, y) mes_lookup(x, x ## _max, y, "(no item found)")
 
 extern const char *lookup (const struct message *, int);
-extern const char *mes_lookup (struct message *meslist, 
+extern const char *mes_lookup (const struct message *meslist, 
                                int max, int index,
                                const char *no_item);