* apps.make: depends on ctype.o instead of errno.o to depend on config-*.h so that it works for simulator.
* lang.make: add dependency of lang.h to make it sure that the file is updated properly when needed.
* plugins.make: object files don't depend on libpluginbitmaps.a.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24256 a1c6a512-1295-4272-9138-f99709370657