Fix buffer overrun in spam= acl condition. Bug 1552

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

diff --git a/src/src/local_scan.h b/src/src/local_scan.h
index 770348a9b83308f0f77b4ce0c10fafcb16d4ba05..6df601af49a4ac53710cbcb01570bc8b9b8529d4 100644 (file)
--- a/src/src/local_scan.h
+++ b/src/src/local_scan.h
@@ -191,7 +191,7 @@ extern int     smtp_fflush(void);
 extern void    smtp_printf(const char *, ...) PRINTF_FUNCTION(1,2);
 extern void    smtp_vprintf(const char *, va_list);
 extern uschar *string_copy(const uschar *);
-extern uschar *string_copyn(uschar *, int);
+extern uschar *string_copyn(const uschar *, int);
 extern uschar *string_sprintf(const char *, ...) ALMOST_PRINTF(1,2);
 
 /* End of local_scan.h */