Bug#262106: debian-installer: typo in german translation

[Sebastian Stark <seb-debian@todesplanet.de>]

Package: debian-installer
Severity: minor
Tags: l10n

Current debian-installer as downloaded from

  http://cdimage.debian.org/pub/cdimage-testing/daily/i386/current/

has a typo in the german translation. It should read "Grundsystem"
instead of "Grunsystem".

-- System Information:
Debian Release: testing/unstable
  APT prefers testing
  APT policy: (990, 'testing'), (600, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.7-1-k7
Locale: LANG=C, LC_CTYPE=C