From 54b6054087df67e67931e774f475740ac2c03062 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Wed, 16 Feb 2011 23:52:18 +0100
Subject: [PATCH] FFI: Fix management of C library handles for default
 namespace.

---
 src/lj_clib.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/lj_clib.c b/src/lj_clib.c
index 64d06dbc..98d74cde 100644
--- a/src/lj_clib.c
+++ b/src/lj_clib.c
@@ -148,9 +148,13 @@ static void clib_unloadlib(CLibrary *cl)
 {
   if (cl->handle == CLIB_DEFHANDLE) {
     MSize i;
-    for (i = 0; i < CLIB_HANDLE_MAX; i++)
-      if (clib_def_handle[i])
-	FreeLibrary((HINSTANCE)clib_def_handle[i]);
+    for (i = 0; i < CLIB_HANDLE_MAX; i++) {
+      void *h = clib_def_handle[i];
+      if (h) {
+	clib_def_handle[i] = NULL;
+	FreeLibrary((HINSTANCE)h);
+      }
+    }
   } else if (!cl->handle) {
     FreeLibrary((HINSTANCE)cl->handle);
   }
-- 
2.11.4.GIT