--- break_lines.cpp.org	2005-03-30 20:08:57.000000000 +0900
+++ break_lines.cpp	2005-03-30 20:09:48.000000000 +0900
@@ -50,6 +50,10 @@
     void cleanup_thaibreaks()
     {
         delete cache;
+	cache = 0;
+#ifndef HAVE_LIBTHAI
+	th_brk = 0;
+#endif
     }
 
     bool isBreakableThai( const QChar *string, const int pos, const int len)