staging: r8188eu: read destination address from ieee80211_mgmt

For management frames, addr1 is the destination address (da). Read this
address from struct ieee80211_mgmt instead of calling a driver-specific
macro.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220508161451.115847-4-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/core/rtw_mlme_ext.c

@@ -1478,7 +1478,7 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr
 	u8 *pframe = precv_frame->rx_data;
 	struct sta_priv *pstapriv = &padapter->stapriv;
 	/* check RA matches or not */
-	if (memcmp(myid(&padapter->eeprompriv), GetAddr1Ptr(pframe), ETH_ALEN))/* for if1, sta/ap mode */
+	if (memcmp(myid(&padapter->eeprompriv), mgmt->da, ETH_ALEN))/* for if1, sta/ap mode */
 		return _SUCCESS;
 
 	if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)