editor: move editor-related functions and declarations into common file
cache.h and strbuf.[ch] had editor-related functions. Move these into
editor.[ch].
Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Calvin Wan <calvinwan@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/tag.c b/builtin/tag.c
index 88a2590..7d189a4 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -10,6 +10,7 @@
#include "advice.h"
#include "config.h"
#include "builtin.h"
+#include "editor.h"
#include "environment.h"
#include "gettext.h"
#include "hex.h"
