Fix account settings screen by correcting row offset

01a89f7d04a785005776a52574eaf772c1c02f66 was bad, it used the
wrong row number for the bottom border, crashing the UI setup
for the settings screen.

Signed-off-by: Shawn O. Pearce <sop@google.com>
diff --git a/src/main/java/com/google/gerrit/client/account/AccountSettings.java b/src/main/java/com/google/gerrit/client/account/AccountSettings.java
index 34fd5f4..f0b2de8 100644
--- a/src/main/java/com/google/gerrit/client/account/AccountSettings.java
+++ b/src/main/java/com/google/gerrit/client/account/AccountSettings.java
@@ -102,7 +102,7 @@
     final CellFormatter fmt = info.getCellFormatter();
     fmt.addStyleName(0, 0, "topmost");
     fmt.addStyleName(0, 1, "topmost");
-    fmt.addStyleName(5, 0, "bottomheader");
+    fmt.addStyleName(4, 0, "bottomheader");
 
     prefsPanel = new PreferencePanel();