updated for version 7.4.082
Problem:    Using "gf" in a changed buffer suggests adding "!", which is not
            possible. (Tim Chase)
Solution:   Pass a flag to check_changed() wether adding ! make sense.
diff --git a/src/globals.h b/src/globals.h
index feb1dd4..916f7e3 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1490,6 +1490,7 @@
 EXTERN char_u e_notopen[]	INIT(= N_("E484: Can't open file %s"));
 EXTERN char_u e_notread[]	INIT(= N_("E485: Can't read file %s"));
 EXTERN char_u e_nowrtmsg[]	INIT(= N_("E37: No write since last change (add ! to override)"));
+EXTERN char_u e_nowrtmsg_nobang[]   INIT(= N_("E37: No write since last change"));
 EXTERN char_u e_null[]		INIT(= N_("E38: Null argument"));
 #ifdef FEAT_DIGRAPHS
 EXTERN char_u e_number_exp[]	INIT(= N_("E39: Number expected"));