Erro compilando d4x-gnome-applet-1.2.3

[Fabiano Manoel de Andrade <andrdfm@terra.com.br>]

   Olá Pessoal.

   Instalei as bibliotecas dev para compilar o d4x-gnome-applet-1.2.3
 mas ainda estou tendo problemas. Estou tendo o seguinte erro:
main.c:24: applet-widget.h: No such file or directory
In file included from main.c:27:
nt_applet.h:12: applet-widget.h: No such file or directory
make[3]: *** [main.o] Error 1
make[3]: Leaving directory `/home/fabiano/downloads/debs_build/d4x-gnome-applet-1.2.3/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/fabiano/downloads/debs_build/d4x-gnome-applet-1.2.3'
make[1]: *** [all-recursive-am] Error 2
make[1]: Leaving directory `/home/fabiano/downloads/debs_build/d4x-gnome-applet-1.2.3'
make: *** [build-stamp] Error 2

   Quando rodo o configure ele encontra todas as bibiotecas sem problemas.
 O que há de errado?

   Abraço.
   Fabiano.
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