Update ttf-indic-fonts-core fails

[Phil Bayfield]

Binary package hint: ttf-indic-fonts-core

The following packages will be upgraded:
  ttf-indic-fonts-core
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
62 not fully installed or removed.
Need to get 0B/1,178kB of archives.
After this operation, 1,044kB of additional disk space will be used.
Do you want to continue [Y/n]? y
(Reading database ... 156999 files and directories currently installed.)
Preparing to replace ttf-indic-fonts-core 1:0.5.4ubuntu2 (using .../ttf-indic-fonts-core_1%3a0.5.8ubuntu1_all.deb) ...
/var/lib/dpkg/tmp.ci/preinst: 19: rm_conffile: not found
dpkg: error processing /var/cache/apt/archives/ttf-indic-fonts-core_1%3a0.5.8ubuntu1_all.deb (--unpack):
 subprocess new pre-installation script returned error exit status 127
Errors were encountered while processing:
 /var/cache/apt/archives/ttf-indic-fonts-core_1%3a0.5.8ubuntu1_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)