notes: extract enum notes_merge_strategy to notes-utils.h

A future patch will extract parsing of the --strategy string into a
helper function in notes.c and will require the enumeration definition.

Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

notes-merge.h

@@ -1,6 +1,8 @@
 #ifndef NOTES_MERGE_H
 #define NOTES_MERGE_H
 
+#include "notes-utils.h"
+
 #define NOTES_MERGE_WORKTREE "NOTES_MERGE_WORKTREE"
 
 enum notes_merge_verbosity {
@@ -13,13 +15,7 @@ struct notes_merge_options {
 	const char *remote_ref;
 	struct strbuf commit_msg;
 	int verbosity;
-	enum {
-		NOTES_MERGE_RESOLVE_MANUAL = 0,
-		NOTES_MERGE_RESOLVE_OURS,
-		NOTES_MERGE_RESOLVE_THEIRS,
-		NOTES_MERGE_RESOLVE_UNION,
-		NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ
-	} strategy;
+	enum notes_merge_strategy strategy;
 	unsigned has_worktree:1;
 };
 

notes-utils.h

@@ -19,6 +19,14 @@ void create_notes_commit(struct notes_tree *t, struct commit_list *parents,
 
 void commit_notes(struct notes_tree *t, const char *msg);
 
+enum notes_merge_strategy {
+		NOTES_MERGE_RESOLVE_MANUAL = 0,
+		NOTES_MERGE_RESOLVE_OURS,
+		NOTES_MERGE_RESOLVE_THEIRS,
+		NOTES_MERGE_RESOLVE_UNION,
+		NOTES_MERGE_RESOLVE_CAT_SORT_UNIQ
+};
+
 struct notes_rewrite_cfg {
 	struct notes_tree **trees;
 	const char *cmd;