move read_mmfile() into xdiff-interface

diff --git a/test-delta.c b/test-delta.c
index 1be8ee0c721ec35372fee4e686d9664b143b4345..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[] =