Staging: rtl8712: ieee80211: fixed coding style issue

index 97ef063..b823656 100644
@@ -168,13 +168,13 @@ int r8712_generate_ie(struct registry_priv *pregistrypriv)
 {
 	int sz = 0, rate_len;
 	struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
+	struct NDIS_802_11_CONFIGURATION *cfg = &pdev_network->configuration;
 	u8 *ie = pdev_network->ie_s;
 
 	/*timestamp will be inserted by hardware*/
 	sz += 8;
 	ie += sz;
 	/*beacon interval : 2bytes*/
-	struct NDIS_802_11_CONFIGURATION *cfg = &pdev_network->configuration;
 	*(__le16 *)ie = cpu_to_le16(cfg->beacon_period);
 	sz += 2;
 	ie += 2;