+++ /dev/null
---- tcl8.4.12/compat/strstr.c 2005-04-12 20:28:56.000000000 +0200
-+++ tcl/compat/strstr.c 2005-12-19 13:35:52.087181048 +0100
-@@ -37,7 +37,9 @@
- *
- *----------------------------------------------------------------------
- */
--
-+#ifndef NULL
-+#define NULL
-+#endif
- char *
- strstr(string, substring)
- register char *string; /* String to search. */