Rename internal functions of estream.
* src/estream.c (_gpgrt_es_init): Rename to _gpgrt_estream_init. (es_fill): Rename to fill_stream. (es_fflush): Rename to flush_stream. (es_deinitialize): Rename to deinit_stream_obj. (es_create): Rename to create_stream (es_read_nbf): Rename to do_read_nbf. (es_read_lbf): Rename to do_read_lbf. (es_read_fbf): Rename to do_read_fbf. (es_peek): Rename to peek_stream. (es_skip): Rename to skip_stream. (es_print): Rename to do_print_stream.
The use of the "es_" was confusing. Avoid that.
- Signed-off-by: Werner Koch <wk@gnupg.org>