qcacmn: Rename candidate_min_roam_score to fix compilation error

The candidate_min_roam_score_delta in struct
wmi_roam_cnd_scoring_param at the interface definition and this causes
compilation issues with older host.

Rename candidate_min_roam_score to fix compilation error.

Change-Id: Ie214b386ef4c14be2cdcaec9be0d8b6c7f1e7f33
CRs-Fixed: 2617981

wmi/src/wmi_unified_roam_tlv.c

@@ -1667,12 +1667,12 @@ send_roam_scan_offload_ap_profile_cmd_tlv(wmi_unified_t wmi_handle,
 	score_param->roam_score_delta_pcnt = ap_profile->param.roam_score_delta;
 	score_param->roam_score_delta_mask =
 				ap_profile->param.roam_trigger_bitmap;
-	score_param->candidate_min_roam_score =
+	score_param->candidate_min_roam_score_delta =
 				ap_profile->param.cand_min_roam_score_delta;
 	WMI_LOGD("Roam score delta:%d Roam_trigger_bitmap:%x cand min score delta = %d",
 		 score_param->roam_score_delta_pcnt,
 		 score_param->roam_score_delta_mask,
-		 score_param->candidate_min_roam_score);
+		 score_param->candidate_min_roam_score_delta);
 
 	buf_ptr += sizeof(*score_param);
 	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,