fix(WeaselUI): specify default label format in constructor

Prcuvu · Prcuvu · commit 4374d2440b99 · 2018-03-23T18:09:18.000+08:00
If weasel.yaml is not updated to include style/label_format due to issue of librime 1.3.0, fallback to default value initialized with WeaselUI's construction. Fixes #147
diff --git a/include/WeaselUI.h b/include/WeaselUI.h
@@ -65,7 +65,7 @@ namespace weasel
 					inline_preedit(false),
 					preedit_type(COMPOSITION),
 					display_tray_icon(false),
-					label_text_format(),
+					label_text_format(L"%s."),
 					layout_type(LAYOUT_VERTICAL),
 					min_width(0),
 					min_height(0),
