Patch by Jian Zhang, 20 May 2004:
add support for environment in NAND flash
diff --git a/common/env_common.c b/common/env_common.c
index 4aa043e..9be4cc1 100644
--- a/common/env_common.c
+++ b/common/env_common.c
@@ -139,6 +139,9 @@
 	"\0"
 };
 
+#if defined(CFG_ENV_IS_IN_NAND)		/* Environment is in Nand Flash */
+int default_environment_size = sizeof(default_environment);
+#endif
 
 void env_crc_update (void)
 {