Nios2: remove common/cmd_bdinfo.c unused variable.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Scott McNutt <smcnutt@psyent.com>
diff --git a/common/cmd_bdinfo.c b/common/cmd_bdinfo.c
index d059983..c28a155 100644
--- a/common/cmd_bdinfo.c
+++ b/common/cmd_bdinfo.c
@@ -152,7 +152,9 @@
 
 int do_bdinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 {
+#if defined(CONFIG_CMD_NET)
 	int i;
+#endif
 	bd_t *bd = gd->bd;
 
 	print_num ("mem start",		(ulong)bd->bi_memstart);