user manual: answer some comments from Junio

diff --git a/test-delta.c b/test-delta.c
index 89eb68ed21545e4001c08dd21b5e907e22b979bb..795aa08377aaa9a229affaa054e243251436f755 100644 (file)
--- a/test-delta.c
+++ b/test-delta.c
@@ -8,13 +8,7 @@
  * published by the Free Software Foundation.
  */
 
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
+#include "git-compat-util.h"
 #include "delta.h"
 
 static const char usage[] =
@@ -63,7 +57,7 @@ int main(int argc, char *argv[])
        if (argv[1][1] == 'd')
                out_buf = diff_delta(from_buf, from_size,
                                     data_buf, data_size,
-                                    &out_size, 0, NULL);
+                                    &out_size, 0);
        else
                out_buf = patch_delta(from_buf, from_size,
                                      data_buf, data_size,