Replace method infering basic authorization for other returning the 'authenticate' header value; let's analyze the header in other class

src/com/owncloud/android/lib/common/operations/RemoteOperationResult.java

@@ -365,9 +365,8 @@ public class RemoteOperationResult implements Serializable {
                 mRedirectedLocation.toLowerCase().contains("wayf")));
     }
     
-    public boolean isBasicAuthentication() {
+    public String getAuthenticateHeader() {
-    	return (mAuthenticate != null &&
+    	return mAuthenticate;
-    			(mAuthenticate.toUpperCase().startsWith("BASIC")));
     }
 
 }