macosx: fix playbackstatusUpdated in case of ended inputs

As this method is called on main thread, END_S state was sometimes missed,
resulting in a missing update for the play buttons.

modules/gui/macosx/intf.m

@@ -1354,11 +1354,11 @@ static VLCMain *_o_sharedMainInstance = nil;
 
 - (void)playbackStatusUpdated
 {
-    input_thread_t * p_input;
+    int state = -1;
+    if (p_current_input) {
+        state = var_GetInteger(p_current_input, "state");
+    }
     
-    p_input = pl_CurrentInput(p_intf);
-    if (p_input) {
-        int state = var_GetInteger(p_input, "state");
     if (state == PLAYING_S) {
         /* Declare user activity.
          This wakes the display if it is off, and postpones display sleep according to the users system preferences
@@ -1405,7 +1405,6 @@ static VLCMain *_o_sharedMainInstance = nil;
         [[self mainMenu] setPause];
         [o_mainwindow setPause];
     } else {
-            if (state == END_S)
         [o_mainmenu setSubmenusEnabled: FALSE];
         [[self mainMenu] setPlay];
         [o_mainwindow setPlay];
@@ -1416,8 +1415,6 @@ static VLCMain *_o_sharedMainInstance = nil;
             IOPMAssertionRelease(systemSleepAssertionID);
         }
     }
-        vlc_object_release(p_input);
-    }
 
     [[VLCMain sharedInstance] performSelectorOnMainThread:@selector(updateMainWindow) withObject: nil waitUntilDone: NO];
     [self performSelectorOnMainThread:@selector(sendDistributedNotificationWithUpdatedPlaybackStatus) withObject: nil waitUntilDone: NO];