title: Returning an int from native function(c++, jni) crashes application
body: <p>Trying to figure out why c++ function call returning an int crashes the whole application without any errors/warnings.</p>
  
  <p>Here is working code:</p>
  
  <pre><code>
      jint Java_org_ntorrent_DummyTorrentInfoProvider_next(
              JNIEnv * env, jobject obj, jint number)
      {
          jint test = rand();
          __android_log_print(ANDROID_LOG_DEBUG, "HelloNDK!", "rand() = %d", test);
  
          return number;
      }
  </code></pre>
  
  <p>And this code crashes application without warnings:</p>
  
  <pre><code>
      jint Java_org_ntorrent_DummyTorrentInfoProvider_next(
              JNIEnv * env, jobject obj, jint number)
      {
          jint test = rand();
          __android_log_print(ANDROID_LOG_DEBUG, "HelloNDK!", "rand() = %d", test);
  
          return number + test;
      }
  </code></pre>
  
  <p>Before the application crashes i can see my log message(__android_log_print) in log cat</p>
  
  <p>EDIT:
  Even if I replace "number + test" with "1" the application still crashing...
  It only works if I return "number"...</p>
  
  <p>EDIT#2: Java-side code:</p>
  
  <pre><code>
  package org.ntorrent;
  
  import java.util.ArrayList;
  import java.util.Random;
  
  public class DummyTorrentInfoProvider implements TorrentInfoProvider {
  
      public native Integer next(Integer number);
  
      //public Integer next() { return _random.nextInt(); }
  
      public native void test();
  
      private Random _random = new Random(100);
  
      @Override
      public ArrayList getTorrents() {
          test();
          ArrayList torrents = new ArrayList();
          torrents.add(
                  new TorrentInfo("test torrent number 1", next(1),  3f, 5f));
          torrents.add(
                  new TorrentInfo("test torrent number 2", next(2), 4f, 15f));
          torrents.add(
                  new TorrentInfo("test torrent number 555"));
          torrents.add(
                  new TorrentInfo("test torrent number 3", next(3), 13f, 5f));
          return torrents;
      }
  
      static {
          System.loadLibrary("test");
      }
  }
  </code></pre>