Bug#244696: debian-installer: netcfg 0.64 fails to build

[Pip Oomen <pip@gan.no>]

Package: debian-installer
Severity: serious
Tags: sid
Justification: no longer builds from source

When building netcfg udeb, it fails with:

netcfg-common.c: In function `netcfg_activate_dhcp':
netcfg-common.c:1102: error: too few arguments to function `di_exec'

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing')
Architecture: powerpc (ppc)
Kernel: Linux 2.4.25-powerpc
Locale: LANG=C, LC_CTYPE=C