$OpenBSD: patch-rts_sm_Storage_c,v 1.1 2010/06/28 21:27:36 kili Exp $

during shutdown, only free the heap if we waited for foreign calls to exit

From Simon Marlow.

--- rts/sm/Storage.c.orig	Wed Jun  9 20:10:14 2010
+++ rts/sm/Storage.c	Mon Jun 28 19:04:59 2010
@@ -272,11 +272,11 @@ exitStorage (void)
 }
 
 void
-freeStorage (void)
+freeStorage (rtsBool free_heap)
 {
     stgFree(g0s0); // frees all the steps
     stgFree(generations);
-    freeAllMBlocks();
+    if (free_heap) freeAllMBlocks();
 #if defined(THREADED_RTS)
     closeMutex(&sm_mutex);
 #endif