Cleaning up redundant initializers

app/src/main/java/acr/browser/lightning/activity/BrowserActivity.java

@@ -747,7 +747,7 @@ public abstract class BrowserActivity extends ThemableBrowserActivity implements
                         }
                         return true;
                     case KeyEvent.KEYCODE_TAB:
-                        int nextIndex = 0;
+                        int nextIndex;
                         if (event.isShiftPressed()) {
                             // Go back one tab
                             if (mTabsManager.indexOfCurrentTab() > 0) {

app/src/main/java/acr/browser/lightning/reading/HtmlFetcher.java

@@ -376,8 +376,8 @@ public class HtmlFetcher {
      */
     private String getResolvedUrl(String urlAsString, int timeout,
                                   int num_redirects) {
-        String newUrl = null;
+        String newUrl;
-        int responseCode = -1;
+        int responseCode;
         try {
             HttpURLConnection hConn = createUrlConnection(urlAsString, timeout, true);
             // force no follow