env: sf: Cosmetic fix in env_sf_init_addr()

In the if clause we use tabs and in the else clause spaces. Let's use
spaces in the if clause too.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/env/sf.c b/env/sf.c
index e4b7ca9..4096e18 100644
--- a/env/sf.c
+++ b/env/sf.c
@@ -338,8 +338,8 @@
 	env_t *env_ptr = (env_t *)env_sf_get_env_addr();
 
 	if (crc32(0, env_ptr->data, ENV_SIZE) == env_ptr->crc) {
-		gd->env_addr	= (ulong)&(env_ptr->data);
-		gd->env_valid	= 1;
+		gd->env_addr = (ulong)&(env_ptr->data);
+		gd->env_valid = 1;
 	} else {
 		gd->env_addr = (ulong)&default_environment[0];
 		gd->env_valid = 1;