Declare set_local_file().

src/ChangeLog

@@ -1,3 +1,7 @@
+2009-09-05  Steven Schubiger  <stsc@member.fsf.org>
+
+	* retr.h: Declare set_local_file() to avoid build warnings.
+
 2009-09-05  Gisle Vanem  <gvanem@broadpark.no>
 
 	* connect.c, init.c, main.c, openssl.c, options.h:  Replace

src/retr.h

@@ -67,4 +67,6 @@ void rotate_backups (const char *);
 
 bool url_uses_proxy (struct url *);
 
+void set_local_file (const char **, const char *);
+
 #endif /* RETR_H */