qcacld-3.0: initialize structure parameters before use

Currently bool values are not initialized and results
in unexpected values for bool variables,
Hence this change is to initialize structure to
NULL before use.

Change-Id: I07ec3880d35441d3dc84eaa44640ad07eba0b3c9
CRs-Fixed: 3800965

components/cmn_services/interface_mgr/src/wlan_if_mgr_roam.c

@@ -801,7 +801,7 @@ static void if_mgr_update_candidate(struct wlan_objmgr_psoc *psoc,
 				    struct validate_bss_data *candidate_info)
 {
 	struct scan_cache_entry *scan_entry = candidate_info->scan_entry;
-	struct action_oui_search_attr attr;
+	struct action_oui_search_attr attr = {0};
 	int8_t i, allowed_partner_links = 0;
 	uint8_t mlo_support_link_num;