Bug#159355: FTBFS: calls install-info as non-root

[Adam Heath <doogie@debian.org>]

Package: libc6
Version: 2.2.5-14.1
Severity: serious

==
Automatic build of glibc_2.2.5-14.1 on cyberhq by sbuild/i386 1.169
Build started at 20020901-2205
...
* Libc: (libc). C library.
install-info(/build/rmurray/glibc-2.2.5/i386-linux/install_root/usr/share/info/libc.info): creating new section `GNU libraries'
install-info(/build/rmurray/glibc-2.2.5/i386-linux/install_root/usr/share/info/libc.info): no sections yet, creating Miscellaneous section too.
cp: cannot create regular file `/var/backups/infodir.bak': Permission denied
install-info(/build/rmurray/glibc-2.2.5/i386-linux/install_root/usr/share/info/libc.info): couldn't backup /build/rmurray/glibc-2.2.5/i386-linux
/install_root/usr/share/info/dir in /var/backups/infodir.bak: No such file or directory
make[3]: *** [install] Error 139
make[3]: Leaving directory `/build/rmurray/glibc-2.2.5/glibc-2.2.5/manual'
make[2]: *** [manual/subdir_install] Error 2
make[2]: Leaving directory `/build/rmurray/glibc-2.2.5/glibc-2.2.5'
make[1]: *** [install] Error 2
make[1]: Leaving directory `/build/rmurray/glibc-2.2.5/i386-linux/obj'
make: *** [/build/rmurray/glibc-2.2.5/i386-linux/installed-binaries] Error 2
******************************************************************************
Build finished at 20020901-2320
FAILED [dpkg-buildpackage died]
==

Don't call install-info as root.