staging: r8188eu: Add blank line after declarations

This patch adds a blank line after the variable declarations,
it should remove a checkpatch.pl warning and improve readability.

checkpatch output:

WARNING: Missing a blank line after declarations
Signed-off-by: Rommel Rodriguez Perez <alrodperez@gmail.com>
Link: https://lore.kernel.org/r/YqALs/7VkGsYUngw@debianmain.debian.pc.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_ieee80211.c

@@ -1048,6 +1048,7 @@ static int rtw_get_cipher_info(struct wlan_network *pnetwork)
 	unsigned char *pbuf;
 	int group_cipher = 0, pairwise_cipher = 0, is8021x = 0;
 	int ret = _FAIL;
+
 	pbuf = rtw_get_wpa_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength - 12);
 
 	if (pbuf && (wpa_ielen > 0)) {