gst/: don't use memchunks for these objects, use malloc instead

gst/: don't use memchunks for these objects, use malloc instead

Original commit message from CVS:
* gst/gstbin.c: (gst_bin_get_type):
* gst/gstclock.c: (gst_clock_get_type):
* gst/gstindex.c: (gst_index_get_type):
* gst/gstobject.c: (gst_object_get_type),
(gst_signal_object_get_type):
* gst/gstpad.c: (gst_pad_get_type), (gst_real_pad_get_type),
(gst_pad_template_get_type), (gst_ghost_pad_get_type):
* gst/gstpluginfeature.c: (gst_plugin_feature_get_type):
* gst/gstqueue.c: (gst_queue_get_type):
* gst/gstregistry.c: (gst_registry_get_type):
* gst/gstsystemclock.c: (gst_system_clock_get_type):
* gst/gstthread.c: (gst_thread_get_type):
don't use memchunks for these objects, use malloc instead