Original commit message from CVS:

* gst/elements/gstfakesrc.h:
* gst/elements/gstfilesrc.c: (gst_file_src_create_read):
* gst/elements/gsttypefindelement.c:
fix some signedness
* gst/elements/gstfilesink.c: (gst_file_sink_render):
I wonder if this could actually write +2GB files before