constification

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

diff --git a/src/src/functions.h b/src/src/functions.h
index 05386d105e54280f4a53562957929978e69fa8e4..cc4e22b2ef3a43adbb4396019328df92210b1f3e 100644 (file)
--- a/src/src/functions.h
+++ b/src/src/functions.h
@@ -158,7 +158,7 @@ extern BOOL    dns_is_secure(const dns_answer *);
 extern int     dns_lookup(dns_answer *, const uschar *, int, const uschar **);
 extern void    dns_pattern_init(void);
 extern int     dns_special_lookup(dns_answer *, const uschar *, int, const uschar **);
-extern dns_record *dns_next_rr(dns_answer *, dns_scan *, int);
+extern dns_record *dns_next_rr(const dns_answer *, dns_scan *, int);
 extern uschar *dns_text_type(int);
 extern void    dscp_list_to_stream(FILE *);
 extern BOOL    dscp_lookup(const uschar *, int, int *, int *, int *);