grep.c: remove implicit dependency on the_index

diff --git a/pack-objects.h b/pack-objects.h
index 6ffbdcf79f3f52bd7a479e1fa6e1f02c9e54e205..62806ccc39ea31b425089f4f38121d81a02fe5dd 100644 (file)
--- a/pack-objects.h
+++ b/pack-objects.h
@@ -3,6 +3,9 @@
 
 #include "object-store.h"
 #include "thread-utils.h"
+#include "pack.h"
+
+#define DEFAULT_DELTA_CACHE_SIZE (256 * 1024 * 1024)
 
 #define OE_DFS_STATE_BITS      2
 #define OE_DEPTH_BITS          12