$OpenBSD: patch-toolkit_xre_nsXREDirProvider_cpp,v 1.8 2011/10/03 21:06:09 landry Exp $
Look for extensions in LOCALBASE
--- toolkit/xre/nsXREDirProvider.cpp.orig	Thu Aug 25 02:37:26 2011
+++ toolkit/xre/nsXREDirProvider.cpp	Mon Aug 29 14:54:59 2011
@@ -1119,11 +1119,7 @@ nsXREDirProvider::GetSystemExtensionsDirectory(nsILoca
   NS_ENSURE_SUCCESS(rv, rv);
 #elif defined(XP_UNIX)
   static const char *const sysSExtDir = 
-#ifdef HAVE_USR_LIB64_DIR
-    "/usr/lib64/mozilla/extensions";
-#else
-    "/usr/lib/mozilla/extensions";
-#endif
+    "${LOCALBASE}/lib/mozilla/extensions";
 
   rv = NS_NewNativeLocalFile(nsDependentCString(sysSExtDir), PR_FALSE,
                              getter_AddRefs(localDir));