qcacld-3.0: Fix checkpatch warnings (LINE_SPACING)

Fix checkpatch warnings (LINE_SPACING).

Change-Id: Ibac537792bfd68a1e4b42eec0f5ece579fb15a20
CRs-Fixed: 2126814
diff --git a/core/dp/txrx/ol_tx_classify.c b/core/dp/txrx/ol_tx_classify.c
index d770ee3..eb4a87b 100644
--- a/core/dp/txrx/ol_tx_classify.c
+++ b/core/dp/txrx/ol_tx_classify.c
@@ -805,6 +805,7 @@
 			msdu_info->htt.info.ethertype = ethertype;
 		} else { /* 802.11 */
 			struct llc_snap_hdr_t *llc;
+
 			l2_hdr_size = ol_txrx_ieee80211_hdrsize(datap);
 			llc = (struct llc_snap_hdr_t *)(datap + l2_hdr_size);
 			ethertype = (llc->ethertype[0] << 8) |