qtdemux: fix debug log for 'hvcC' codec_data

https://bugzilla.gnome.org/show_bug.cgi?id=784749
diff --git a/gst/isomp4/qtdemux.c b/gst/isomp4/qtdemux.c
index f6a72bf..86b9adb 100644
--- a/gst/isomp4/qtdemux.c
+++ b/gst/isomp4/qtdemux.c
@@ -10317,7 +10317,7 @@
                   /* parse, if found */
                   GstBuffer *buf;
 
-                  GST_DEBUG_OBJECT (qtdemux, "found avcC codec_data in stsd");
+                  GST_DEBUG_OBJECT (qtdemux, "found hvcC codec_data in stsd");
 
                   /* First 4 bytes are the length of the atom, the next 4 bytes
                    * are the fourcc, the next 1 byte is the version, and the