changed from empty string to null in case of failure in requests. Consumers of method were expecting null on failure

koziodigitalinc · niftynei · commit be23bbc3b876 · 2016-08-25T14:14:05.000-04:00
diff --git a/app/src/main/java/com/zulip/android/networking/ZulipAsyncPushTask.java b/app/src/main/java/com/zulip/android/networking/ZulipAsyncPushTask.java
@@ -109,7 +109,7 @@ protected String doInBackground(String... api_path) {
             ZLog.logException(e);
             this.cancel(true);
         }
-        return "";
+        return null;
     }
 
     @Override

Original file line number	Diff line number	Diff line change
`@@ -109,7 +109,7 @@ protected String doInBackground(String... api_path) {`
`109`	`109`	`ZLog.logException(e);`
`110`	`110`	`this.cancel(true);`
`111`	`111`	`}`
`112`		`- return "";`
	`112`	`+ return null;`
`113`	`113`	`}`
`114`	`114`
`115`	`115`	`@Override`