Apply clang formatting to tests and examples.

examples/cdi_append.c

examples/cdi_copy.c

examples/cdi_copy_file.c

examples/cdi_open.c

examples/cdi_read.c

examples/cdi_read_atts.c

examples/cdi_read_float.c

examples/cdi_read_records.c

examples/cdi_read_time.c

examples/cdi_write.c

examples/cdi_write_const.c

examples/cdi_write_curv_rll.c

examples/cdi_write_dbl.c

examples/cdi_write_ens.c

examples/cdi_write_float.c

examples/cdi_write_forecast.c

examples/cdi_write_gribkey.c

examples/cdi_write_hybrid.c

examples/cdi_write_local.c

examples/cdi_write_pl.c