Rename diff objects and split patch.h

This makes no functional change to diff but renames a couple of
the objects and splits the new git_patch (formerly git_diff_patch)
into a new header file.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/status.h b/src/status.h
index b58e0ebd6..33008b89c 100644
--- a/src/status.h
+++ b/src/status.h
@@ -14,8 +14,8 @@
 struct git_status_list {
 	git_status_options opts;
 
-	git_diff_list *head2idx;
-	git_diff_list *idx2wd;
+	git_diff *head2idx;
+	git_diff *idx2wd;
 
 	git_vector paired;
 };