Fixes for minor regressions b=273507 r=silver a=asa

extensions/irc/xul/content/menus.js

@@ -391,7 +391,7 @@ function initMenus()
                        "') and " + netAway;
 
     client.menuSpecs["mainmenu:nickname"] = {
-        label: "",
+        label: client.prefs["nickname"],
         domID: "server-nick",
         getContext: getDefaultContext,
         items:

extensions/irc/xul/skin/chatzilla.css

@@ -58,6 +58,10 @@ window {
     margin: 5px;
 }
 
+.toolbarbutton-menu-dropmarker {
+    margin-left: 0.5em;
+}
+
 #input-widgets {
     border: none;
     -moz-binding: none;