maint: use rows() and columns() to clarify m-files. * gradient.m, interp1q.m, rat.m, tsearchn.m, image.m, imwrite.m, area.m, contourc.m, hist.m, isocolors.m, isonormals.m, meshz.m, print.m, __bar__.m, __go_draw_axes__.m, __interp_cube__.m, __marching_cube__.m, __patch__.m, __print_parse_opts__.m, __quiver__.m, rose.m, shrinkfaces.m, stairs.m, surfnorm.m, tetramesh.m, text.m, deconv.m, spline.m, intersect.m, setdiff.m, setxor.m, union.m, periodogram.m, pcg.m, perms.m: Replace size (x,1) with rows (x) and size(x,2) with columns(x).

FCN_FILE_DIRS += @ftp

@ftp_FCN_FILES = \
  @ftp/ascii.m \
  @ftp/binary.m  \
  @ftp/cd.m  \
  @ftp/close.m  \
  @ftp/delete.m  \
  @ftp/dir.m  \
  @ftp/display.m  \
  @ftp/ftp.m  \
  @ftp/loadobj.m  \
  @ftp/mget.m  \
  @ftp/mkdir.m  \
  @ftp/mput.m  \
  @ftp/rename.m  \
  @ftp/rmdir.m  \
  @ftp/saveobj.m

FCN_FILES += $(@ftp_FCN_FILES)

PKG_ADD_FILES += @ftp/PKG_ADD

DIRSTAMP_FILES += @ftp/$(octave_dirstamp)