diff.h: remove unnecessary include of oidset.h
This also made it clear that several .c files depended upon various
things that oidset included, but had omitted the direct #include for
those headers. Add those now.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/tree-diff.c b/tree-diff.c
index 20bb15f..9669468 100644
--- a/tree-diff.c
+++ b/tree-diff.c
@@ -4,6 +4,7 @@
#include "git-compat-util.h"
#include "diff.h"
#include "diffcore.h"
+#include "hash.h"
#include "tree.h"
#include "tree-walk.h"
