2000-12-13  Sven Neumann  <sven@gimp.org>

        * app/color_picker.c
        * app/convert.c
        * app/curves.c
        * app/gimpdrawable.c
        * app/gimpimage.c
        * app/gimpimage.h
        * app/image_map.c
        * app/info_window.c
        * app/layer.c
        * app/undo.c: couldn't resist: renamed TYPE_HAS_ALPHA() to
        GIMP_IMAGE_TYPE_HAS_ALPHA()

        * plug-ins/common/sunras.c
        * plug-ins/common/xwd.c: small cleanups