Constify config_filename

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

diff --git a/src/src/globals.h b/src/src/globals.h
index b3747a84afcb43ef44077b7a9e2f27670b7c78f4..6e6a5c2245613a6f574b7f180b9d5b026002ec9e 100644 (file)
--- a/src/src/globals.h
+++ b/src/src/globals.h
@@ -281,7 +281,7 @@ extern uschar *clmacros[];             /* Copy of them, for re-exec */
 extern int     connection_max_messages;/* Max down one SMTP connection */
 extern BOOL    config_changed;         /* True if -C used */
 extern FILE   *config_file;            /* Configuration file */
-extern uschar *config_filename;        /* Configuration file name */
+extern const uschar *config_filename;  /* Configuration file name */
 extern gid_t   config_gid;             /* Additional group owner */
 extern int     config_lineno;          /* Line number */
 extern uschar *config_main_filelist;   /* List of possible config files */