From 72d38f1f6733ec24dbba6b0f9334b9a729b5ae32 Mon Sep 17 00:00:00 2001
From: nhmall <nhmall@nethack.org>
Date: Thu, 26 Apr 2018 18:00:32 -0400
Subject: [PATCH] windows-only bit

---
 src/files.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/files.c b/src/files.c
index c79ba7803..e73b27699 100644
--- a/src/files.c
+++ b/src/files.c
@@ -665,13 +665,17 @@ int lev, oflag;
 void
 really_close()
 {
-    int fd = lftrack.fd;
+    int fd;
+    
+    if (lftrack.init) {
+        fd = lftrack.fd;
 
-    lftrack.nethack_thinks_it_is_open = FALSE;
-    lftrack.fd = -1;
-    lftrack.oflag = 0;
-    if (fd != -1)
-        (void) close(fd);
+        lftrack.nethack_thinks_it_is_open = FALSE;
+        lftrack.fd = -1;
+        lftrack.oflag = 0;
+        if (fd != -1)
+            (void) close(fd);
+    }
     return;
 }