2003-08-28  Manish Singh  <yosh@gimp.org>

        * app/core/gimpbrush.c
        * app/core/gimpbrushgenerated.c
        * app/core/gimpbrushpipe.c
        * app/core/gimpbuffer.c
        * app/core/gimpimage-snap.c
        * app/core/gimppattern.c
        * app/core/gimpundostack.c
        * app/display/gimpdisplayshell.c
        * app/gui/grid-dialog.c
        * plug-ins/common/CML_explorer.c: cleanup, remove unnecessary casts.