configure.ac: use $PACKAGE rather than spelling out the name.
configure.ac: use $PACKAGE rather than spelling out the name.

zevv/luaposix,luaposix/luaposix,rrthomas/luaposix,ardje/luaposix,rrthomas/luaposix,ardje/luaposix,zevv/luaposix,snegovick/luaposix,jimmyharris/luaposix,snegovick/luaposix,jimmyharris/luaposix