qtdemux: Remove white space at end of line

https://bugzilla.gnome.org/show_bug.cgi?id=791483
diff --git a/gst/isomp4/qtdemux.h b/gst/isomp4/qtdemux.h
index 18a1398..ad4da3e 100644
--- a/gst/isomp4/qtdemux.h
+++ b/gst/isomp4/qtdemux.h
@@ -142,7 +142,7 @@
 
   /* Set to TRUE when all streams have been exposed */
   gboolean exposed;
-    
+
   gint64 chapters_track_id;
 
   /* protection support */
@@ -154,7 +154,7 @@
 
 
   /*
-   * ALL VARIABLES BELOW ARE ONLY USED IN PUSH-BASED MODE 
+   * ALL VARIABLES BELOW ARE ONLY USED IN PUSH-BASED MODE
    */
   GstAdapter *adapter;
   guint neededbytes;