* Get (mostly) rid of CFG_MONITOR_LEN definition; compute real length
  instead CFG_MONITOR_LEN is now only used to determine  _at_compile_
  _time_  (!) if the environment is embedded within the U-Boot image,
  or in a separate flash sector.

* Cleanup CFG_DER #defines in config files (wd maintained only)
diff --git a/include/common.h b/include/common.h
index 2ff1c8c..0a252c5 100644
--- a/include/common.h
+++ b/include/common.h
@@ -128,6 +128,7 @@
 int	checkdram     (void);
 char *	strmhz(char *buf, long hz);
 int	last_stage_init(void);
+extern ulong monitor_flash_len;
 
 /* common/flash.c */
 void flash_perror (int);