constify

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

diff --git a/src/src/globals.h b/src/src/globals.h
index 427590050c19b8cf46b304429762615d2e63d578..30c8bbad42076e0862e9ef7bac8cbc023a219230 100644 (file)
--- a/src/src/globals.h
+++ b/src/src/globals.h
@@ -602,7 +602,7 @@ extern int     errors_sender_rc;       /* Return after message to sender*/
 
 #ifndef DISABLE_EVENT
 extern uschar *event_action;           /* expansion for delivery events */
-extern uschar *event_data;            /* event data */
+extern const uschar *event_data;       /* event data */
 extern int     event_defer_errno;      /* error number set when a remote delivery is deferred with a host error */
 extern const uschar *event_name;       /* event classification */
 #endif