STORM-1572 XML issues for Basic/Advanced Mode button in menu bar

doc/contributions.txt

@@ -565,6 +565,7 @@ Jonathan Yap
 	STORM-1273
 	STORM-1462
 	STORM-1459
+	STORM-1572
 Kadah Coba
     STORM-1060
 Jondan Lundquist

indra/newview/skins/default/xui/en/panel_status_bar.xml

@@ -77,15 +77,16 @@
      top="0"
      width="55" />
   </panel>
+  <!-- UTF 9660 code in label below is a down-pointing filled-in triangle -->
   <menu_button
      follows="right|top"    
     image_color="0 0 0 0"
     hover_glow_amount="0"
     left_pad="5"
-    top="0"
+    top="2"
     width="55"
     height="18"
-    label="Mode ▼"
+    label="Mode &#9660;"
     tool_tip="Select your mode. Choose Basic for fast, easy exploration and chat. Choose Advanced to access more features."
     menu_filename="menu_mode_change.xml"
     />