use %reldir% in more places in module.mk files in scripts directory * scripts/+containers/module.mk, scripts/+matlab/+lang/module.mk, scripts/audio/module.mk, scripts/deprecated/module.mk, scripts/elfun/module.mk, scripts/general/module.mk, scripts/geometry/module.mk, scripts/gui/module.mk, scripts/help/module.mk, scripts/image/module.mk, scripts/io/module.mk, scripts/java/module.mk, scripts/legacy/module.mk, scripts/linear-algebra/module.mk, scripts/miscellaneous/module.mk, scripts/ode/module.mk, scripts/optimization/module.mk, scripts/path/module.mk, scripts/pkg/module.mk, scripts/plot/appearance/module.mk, scripts/plot/draw/module.mk, scripts/plot/util/module.mk, scripts/polynomial/module.mk, scripts/prefs/module.mk, scripts/profiler/module.mk, scripts/set/module.mk, scripts/signal/module.mk, scripts/sparse/module.mk, scripts/specfun/module.mk, scripts/special-matrix/module.mk, scripts/startup/module.mk, scripts/statistics/module.mk, scripts/strings/module.mk, scripts/testfun/module.mk, scripts/time/module.mk, scripts/web/module.mk: Use %reldir% instead of literal directory name where possbile. Ensure that all private directories are included in FCN_FILE_DIRS list.

FCN_FILE_DIRS += \
  %reldir% \
  %reldir%/private

%canon_reldir%_PRIVATE_FCN_FILES = \
  %reldir%/private/__additional_help_message__.m \
  %reldir%/private/__strip_html_tags__.m

%canon_reldir%_FCN_FILES = \
  %reldir%/__gripe_missing_component__.m \
  %reldir%/__makeinfo__.m \
  %reldir%/__unimplemented__.m \
  %reldir%/ans.m \
  %reldir%/bessel.m \
  %reldir%/debug.m \
  %reldir%/doc.m \
  %reldir%/doc_cache_create.m \
  %reldir%/error_ids.m \
  %reldir%/get_first_help_sentence.m \
  %reldir%/help.m \
  %reldir%/lookfor.m \
  %reldir%/print_usage.m \
  %reldir%/slash.m \
  %reldir%/type.m \
  %reldir%/warning_ids.m \
  %reldir%/which.m

%canon_reldir%dir = $(fcnfiledir)/help

%canon_reldir%_DATA = $(%canon_reldir%_FCN_FILES)

%canon_reldir%_privatedir = $(fcnfiledir)/help/private

%canon_reldir%_private_DATA = $(%canon_reldir%_PRIVATE_FCN_FILES)

FCN_FILES += \
  $(%canon_reldir%_FCN_FILES) \
  $(%canon_reldir%_PRIVATE_FCN_FILES)

PKG_ADD_FILES += %reldir%/PKG_ADD

DIRSTAMP_FILES += %reldir%/$(octave_dirstamp)