Make sha1_array_append take a struct object_id *

Convert the callers to pass struct object_id by changing the function
declaration and definition and applying the following semantic patch:

@@
expression E1, E2;
@@
- sha1_array_append(E1, E2.hash)
+ sha1_array_append(E1, &E2)

@@
expression E1, E2;
@@
- sha1_array_append(E1, E2->hash)
+ sha1_array_append(E1, E2)

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/cat-file.c

@@ -413,7 +413,7 @@ static int batch_loose_object(const struct object_id *oid,
 			      const char *path,
 			      void *data)
 {
-	sha1_array_append(data, oid->hash);
+	sha1_array_append(data, oid);
 	return 0;
 }
 
@@ -422,7 +422,7 @@ static int batch_packed_object(const struct object_id *oid,
 			       uint32_t pos,
 			       void *data)
 {
-	sha1_array_append(data, oid->hash);
+	sha1_array_append(data, oid);
 	return 0;
 }