GCC versions on hppa for etch

[Matthias Klose <doko@cs.tu-berlin.de>]

Can gcc-4.0-hppa64 and gcc-4.0 be dropped for etch? My current plan is
to keep gcc-4.1-hppa64 and gcc-3.4-hppa64. we can drop gcc-3.4-hppa64
as well, but will have to keep the other compilers from the GCC-3.4
package anyway.

  Matthias