$NetBSD$

--- mozilla/xpcom/base/nsStackWalk.cpp.orig	2012-03-13 02:43:49.000000000 +0000
+++ mozilla/xpcom/base/nsStackWalk.cpp
@@ -54,7 +54,7 @@ struct CriticalAddress {
 };
 static CriticalAddress gCriticalAddress;
 
-#if defined(HAVE_DLOPEN) || defined(XP_MACOSX)
+#if defined(HAVE_DLOPEN) || defined(XP_MACOSX) || defined(__NetBSD__)
 #include <dlfcn.h>
 #endif
 
