grep: enable recurse-submodules to work on <tree> objects

diff --git a/sha1-array.h b/sha1-array.h
index 72bb33bec6c173633c2b5cd04db57b562fa23a9e..b3230be0dd6eedf871c5c337a79333a7ebf33cb7 100644 (file)
--- a/sha1-array.h
+++ b/sha1-array.h
@@ -14,10 +14,10 @@ void sha1_array_append(struct sha1_array *array, const unsigned char *sha1);
 int sha1_array_lookup(struct sha1_array *array, const unsigned char *sha1);
 void sha1_array_clear(struct sha1_array *array);
 
-typedef void (*for_each_sha1_fn)(const unsigned char sha1[20],
-                                void *data);
-void sha1_array_for_each_unique(struct sha1_array *array,
-                               for_each_sha1_fn fn,
+typedef int (*for_each_sha1_fn)(const unsigned char sha1[20],
                                void *data);
+int sha1_array_for_each_unique(struct sha1_array *array,
+                              for_each_sha1_fn fn,
+                              void *data);
 
 #endif /* SHA1_ARRAY_H */