distro-install: fix en-US-only installation
distro-install: fix en-US-only installation

generate en-US file list when --with-distro=""

sigh, we should set WITH_LANG=en-US when no language is selected; the empty
string is pretty ugly; unforrunately, many makefile tests check for
this empty variable

Signed-off-by: Michael Meeks <7e3f212bc57cabc465c9df7f45a34ee84553965e@novell.com>
Signed-off-by: Andreas Radke <031c377a671ff85bd5d071f8abafd075a3369e65@arcor.de>
Signed-off-by: Fridrich Strba <3cd4daa035652512fde99585cb8cb05b406e5e73@bluewin.ch>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core