staging: rtl8712: use shorter array initializations

Use empty brace syntax to initialize zero valued arrays.
Simplifies and shortens the code a little bit.

Signed-off-by: Michael Straube <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/rtl8712/rtl871x_xmit.c

···
 	struct	pkt_attrib  *pattrib = &pxmitframe->attrib;
 	struct	security_priv *psecpriv = &padapter->securitypriv;
 	struct	xmit_priv *pxmitpriv = &padapter->xmitpriv;
-	u8 priority[4] = {0x0, 0x0, 0x0, 0x0};
+	u8 priority[4] = {};
 	bool bmcst = is_multicast_ether_addr(pattrib->ra);
 
 	if (pattrib->psta)
···
 	if (pattrib->encrypt == _TKIP_) {
 		/*encode mic code*/
 		if (stainfo) {
-			u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
-					   0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
-					   0x0, 0x0};
+			u8 null_key[16] = {};
+
 			pframe = pxmitframe->buf_addr + TXDESC_OFFSET;
 			if (bmcst) {
 				if (!memcmp(psecpriv->XGrptxmickey