fw_cfg: follow CODING_STYLE

Replace tab with 4 spaces; brace the indented statement.
Signed-off-by: NCao jin <caoj.fnst@cn.fujitsu.com>
Acked-by: NCorey Minyard <cminyard@mvista.com>
Signed-off-by: NMichael Tokarev <mjt@tls.msk.ru>

hw/nvram/fw_cfg.c

@@ -729,15 +729,20 @@ static int get_fw_cfg_order(FWCfgState *s, const char *name)
 {
     int i;
 
-    if (s->fw_cfg_order_override > 0)
-	return s->fw_cfg_order_override;
+    if (s->fw_cfg_order_override > 0) {
+        return s->fw_cfg_order_override;
+    }
 
     for (i = 0; i < ARRAY_SIZE(fw_cfg_order); i++) {
-	if (fw_cfg_order[i].name == NULL)
-	    continue;
-	if (strcmp(name, fw_cfg_order[i].name) == 0)
-	    return fw_cfg_order[i].order;
+        if (fw_cfg_order[i].name == NULL) {
+            continue;
+        }
+
+        if (strcmp(name, fw_cfg_order[i].name) == 0) {
+            return fw_cfg_order[i].order;
+        }
     }
+
     /* Stick unknown stuff at the end. */
     error_report("warning: Unknown firmware file in legacy mode: %s\n", name);
     return FW_CFG_ORDER_OVERRIDE_LAST;