[U-Boot] [PATCH 4/7] GCC4.6: Squash warning in cmd_nvedit.c

[Marek Vasut <marek.vasut@gmail.com>]

cmd_nvedit.c: In function ?do_env_edit?:
cmd_nvedit.c:463:6: warning: variable ?len? set but not used
[-Wunused-but-set-variable]

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
---
 common/cmd_nvedit.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c
index e8b116d..101bc49 100644
--- a/common/cmd_nvedit.c
+++ b/common/cmd_nvedit.c
@@ -460,7 +460,6 @@ int do_env_edit(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	char buffer[CONFIG_SYS_CBSIZE];
 	char *init_val;
-	int len;
 
 	if (argc < 2)
 		return cmd_usage(cmdtp);
@@ -468,7 +467,7 @@ int do_env_edit(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	/* Set read buffer to initial value or empty sting */
 	init_val = getenv(argv[1]);
 	if (init_val)
-		len = sprintf(buffer, "%s", init_val);
+		sprintf(buffer, "%s", init_val);
 	else
 		buffer[0] = '\0';
 
-- 
1.7.5.4