From: Mikael Pettersson <mikpe@user.it.uu.se>

This patch fixes three warnings from gcc-3.4.0 in 2.6.6-rc3:

- arch/i386/pci/pcbios.c: use of "+m" constraint

- drivers/char/ftape/: use of cast-as-lvalue

- drivers/char/ftape/: __attribute__((packed)) on something containing only
  bytes