remove needless header inclusion; lib/pack.c does not need got_opentemp.h
diff --git a/lib/pack.c b/lib/pack.c
index b807943..4aa9467 100644
--- a/lib/pack.c
+++ b/lib/pack.c
@@ -35,7 +35,6 @@
#include "got_error.h"
#include "got_object.h"
-#include "got_opentemp.h"
#include "got_path.h"
#include "got_lib_sha1.h"