updated for version 7.4.456
Problem:    'backupcopy' is global, cannot write only some files in a
            different way.
Solution:   Make 'backupcopy' global-local. (Christian Brabandt)
diff --git a/src/option.h b/src/option.h
index 696d70d..23cdecd 100644
--- a/src/option.h
+++ b/src/option.h
@@ -327,7 +327,7 @@
 EXTERN char_u	*p_bg;		/* 'background' */
 EXTERN int	p_bk;		/* 'backup' */
 EXTERN char_u	*p_bkc;		/* 'backupcopy' */
-EXTERN unsigned	bkc_flags;
+EXTERN unsigned	bkc_flags;	/* flags from 'backupcopy' */
 #ifdef IN_OPTION_C
 static char *(p_bkc_values[]) = {"yes", "auto", "no", "breaksymlink", "breakhardlink", NULL};
 #endif
@@ -918,6 +918,9 @@
     , BV_AR
 #ifdef FEAT_QUICKFIX
     , BV_BH
+#endif
+    , BV_BKC
+#ifdef FEAT_QUICKFIX
     , BV_BT
     , BV_EFM
     , BV_GP