Cfg: Fix async_db parameter

400_xowa/src/gplx/xowa/addons/wikis/searchs/specials/Srch_special_cfg.java

@@ -31,8 +31,8 @@ public class Srch_special_cfg implements Gfo_invk {
 		app.Cfg().Bind_many_app(this, Cfg__results_per_page, Cfg__async_db, Cfg__auto_wildcard, Cfg__multi_wikis, Cfg__multi_sorts);
 	}
 	public int					Results_per_page()		{return results_per_page;}		private int results_per_page = 100;
-	public boolean					Async_db()				{return async_db;}				private boolean async_db = true;
+	public boolean				Async_db()				{return async_db;}				private boolean async_db = true;
-	public boolean				Auto_wildcard()			{return auto_wildcard;}			private boolean auto_wildcard = false;		// automatically add wild-card; EX: Earth -> *Earth*
+	public boolean					Auto_wildcard()			{return auto_wildcard;}			private boolean auto_wildcard = false;		// automatically add wild-card; EX: Earth -> *Earth*
 	public Srch_ns_mgr			Ns_mgr()				{return ns_mgr;}				private final    Srch_ns_mgr ns_mgr = new Srch_ns_mgr();
 	public Xow_domain_crt_itm	Multi_wikis_crt			(Xow_domain_itm cur_domain) {return multi_wikis_mgr.Find_itm(cur_domain, cur_domain);}
 	public Xow_domain_crt_itm[] Multi_sorts_crt			(Xow_domain_itm cur_domain) {return multi_sorts_mgr.Find_ary(cur_domain, cur_domain);}

400_xowa/src/gplx/xowa/addons/wikis/searchs/specials/Srch_special_cmd.java

@@ -34,9 +34,9 @@ public class Srch_special_cmd implements Gfo_invk, Srch_rslt_cbk, Xog_tab_close_
 		this.Hide_cancel_btn();
 	}
 	public void Search() {
+		Srch_html_row_bldr html_row_bldr = new Srch_html_row_bldr(new gplx.xowa.htmls.core.htmls.utls.Xoh_lnki_bldr(wiki.App(), wiki.Html__href_wtr()));
+		this.html_row_wkr = new Srch_html_row_wkr(html_row_bldr, js_wkr, qry.Slab_end - qry.Slab_bgn, wiki.Domain_bry());	// NOTE: must set member reference for html_row_wkr else On_rslts_found will fail with null ref when async_db is false; DATE:2016-12-22
 		if (async) {	// NOTE: async useful with multiple wikis; allows parallel searches;
-			Srch_html_row_bldr html_row_bldr = new Srch_html_row_bldr(new gplx.xowa.htmls.core.htmls.utls.Xoh_lnki_bldr(wiki.App(), wiki.Html__href_wtr()));
-			html_row_wkr = new Srch_html_row_wkr(html_row_bldr, js_wkr, qry.Slab_end - qry.Slab_bgn, wiki.Domain_bry());
 			Thread_adp_.Start_by_key(gplx.xowa.apps.Xoa_thread_.Key_special_search_db, this, Invk_search_db);
 		}
 		else