[Android] Add check for lister callback in removeDevice

[Geoffrey Métais]

vlc-android | branch: master | Geoffrey Métais <geoffrey.metais at gmail.com> | Mon Jan  2 17:00:56 2017 +0100| [749e725c052ac9579fd22d40d2ca21ccf0c738a6] | committer: Geoffrey Métais

Add check for lister callback in removeDevice

> https://code.videolan.org/videolan/vlc-android/commit/749e725c052ac9579fd22d40d2ca21ccf0c738a6
---

 medialibrary/jni/AndroidMediaLibrary.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/medialibrary/jni/AndroidMediaLibrary.cpp b/medialibrary/jni/AndroidMediaLibrary.cpp
index 81bc65f..862144c 100644
--- a/medialibrary/jni/AndroidMediaLibrary.cpp
+++ b/medialibrary/jni/AndroidMediaLibrary.cpp
@@ -79,7 +79,7 @@ bool
 AndroidMediaLibrary::removeDevice(const std::string& uuid)
 {
     bool removed = p_lister->removeDevice(uuid);
-    if (removed)
+    if (removed && p_DeviceListerCb != nullptr)
         p_DeviceListerCb->onDeviceUnplugged(uuid);
     return removed;
 }