libvlc: native expendMedia doesn't need position

libvlc/jni/libvlcjni-medialist.c

@@ -75,7 +75,7 @@ static int expand_media_internal(JNIEnv *env, libvlc_instance_t* p_instance, job
     }
 }
 
-jint Java_org_videolan_libvlc_LibVLC_expandMedia(JNIEnv *env, jobject thiz, jint position, jobject children) {
+jint Java_org_videolan_libvlc_LibVLC_expandMedia(JNIEnv *env, jobject thiz, jobject children) {
     return (jint)expand_media_internal(env,
         getLibVlcInstance(env, thiz),
         children,

libvlc/src/org/videolan/libvlc/LibVLC.java

@@ -849,5 +849,5 @@ public class LibVLC {
 
     /* MediaList */
     protected native void loadPlaylist(String mrl, ArrayList<String> items);
-    protected native int expandMedia(int position, ArrayList<String> children);
+    protected native int expandMedia(ArrayList<String> children);
 }

libvlc/src/org/videolan/libvlc/MediaList.java

@@ -71,7 +71,7 @@ public class MediaList {
      */
     public int expandMedia(int position) {
         ArrayList<String> children = new ArrayList<String>();
-        int ret = mLibVLC.expandMedia(position, children);
+        int ret = mLibVLC.expandMedia(children);
         if(ret == 0) {
             mEventHandler.callback(EventHandler.CustomMediaListExpanding, new Bundle());
             this.remove(position);