Retries: rework DB keys, and fix exinext IPv6. Bug 3086

[exim.git] / src / src / structs.h

diff --git a/src/src/structs.h b/src/src/structs.h
index b16a8a3f2a39131b3b33de05926e357cafdd21b6..8aab540559f24ea0ec1b5c064ce41eaa89463a78 100644 (file)
--- a/src/src/structs.h
+++ b/src/src/structs.h
@@ -480,7 +480,7 @@ can be tried. */
 
 typedef struct retry_item {
   struct retry_item *next;        /* for chaining */
-  uschar *key;                    /* string identifying host/address/message */
+  const uschar *key;              /* string identifying host/address/message */
   int     basic_errno;            /* error code for this destination */
   int     more_errno;             /* additional error information */
   uschar *message;                /* local error message */