"Report Bug" URL can never be null

The config provider will always provide a value.  Either the
value given by the user in gerrit.config, or the default value.

Change-Id: I9b7107857c79f939ed5315e52610277b05ef7d67
diff --git a/gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java b/gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java
index f9acc8c..c3dd270 100644
--- a/gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java
+++ b/gerrit-gwtui/src/main/java/com/google/gerrit/client/Gerrit.java
@@ -463,15 +463,14 @@
     btmmenu.add(new InlineLabel(C.keyHelp()));
     btmmenu.add(new InlineLabel(" | "));
     btmmenu.add(new InlineHTML(M.poweredBy(vs)));
-    if (getConfig().getReportBugUrl() != null) {
-      Anchor a = new Anchor(
-          C.reportBug(),
-          getConfig().getReportBugUrl());
-      a.setTarget("_blank");
-      a.setStyleName("");
-      btmmenu.add(new InlineLabel(" | "));
-      btmmenu.add(a);
-    }
+
+    Anchor a = new Anchor(
+        C.reportBug(),
+        getConfig().getReportBugUrl());
+    a.setTarget("_blank");
+    a.setStyleName("");
+    btmmenu.add(new InlineLabel(" | "));
+    btmmenu.add(a);
   }
 
   private void onModuleLoad2(HostPageData hpd) {
diff --git a/gerrit-httpd/src/main/java/com/google/gerrit/httpd/GerritConfigProvider.java b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/GerritConfigProvider.java
index 0cfdf0e..4f0df25 100644
--- a/gerrit-httpd/src/main/java/com/google/gerrit/httpd/GerritConfigProvider.java
+++ b/gerrit-httpd/src/main/java/com/google/gerrit/httpd/GerritConfigProvider.java
@@ -129,12 +129,9 @@
     config.setLargeChangeSize(cfg.getInt("change", "largeChange", 500));
     config.setNewFeatures(cfg.getBoolean("gerrit", "enableNewFeatures", true));
 
-    config.setReportBugUrl(cfg.getString("gerrit", null, "reportBugUrl"));
-    if (config.getReportBugUrl() == null) {
-      config.setReportBugUrl("http://code.google.com/p/gerrit/issues/list");
-    } else if (config.getReportBugUrl().isEmpty()) {
-      config.setReportBugUrl(null);
-    }
+    final String reportBugUrl = cfg.getString("gerrit", null, "reportBugUrl");
+    config.setReportBugUrl(reportBugUrl != null ?
+        reportBugUrl : "http://code.google.com/p/gerrit/issues/list");
 
     config.setGitBasicAuth(authConfig.isGitBasicAuth());