From 85907378e5a531becdcd0c9c4b99fa2d41e47d6a Mon Sep 17 00:00:00 2001
From: malc <av1474@comtv.ru>
Date: Sun, 18 Jan 2015 00:30:46 +0300
Subject: [PATCH] Whoops

---
 link.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/link.c b/link.c
index e54d030..a0b9083 100644
--- a/link.c
+++ b/link.c
@@ -4475,7 +4475,7 @@ CAMLprim value ml_hasunsavedchanges (value unit_v)
     CAMLparam1 (unit_v);
     int modified = 0;
 
-    if (state.type == DPDF) {
+    if (state.type == DPDF && state.u.pdf) {
         modified = pdf_has_unsaved_changes (state.u.pdf);
     }
     CAMLreturn (Val_bool (modified));
-- 
2.11.4.GIT