config: don't implicitly use gitdir or commondir

diff --git a/builtin/index-pack.c b/builtin/index-pack.c
index 4ff567db475573f8f45830983b7d3716d6832b4b..dfb3d1296a220b92bffc674701f1b060a946eb08 100644 (file)
--- a/builtin/index-pack.c
+++ b/builtin/index-pack.c
@@ -1,4 +1,5 @@
 #include "builtin.h"
+#include "config.h"
 #include "delta.h"
 #include "pack.h"
 #include "csum-file.h"