inssserv: warning: script ‘mathkernel’ missing LSB tags

Wolfram Mathematica is one of the default packages installed on Raspbian.
The package contains an init script that does not have the LSB headers.
This causes insserv to echo a bunch of errors.

To fix this issue you need to add the code below to the following file:
/etc/init.d/mathkernel

### BEGIN INIT INFO
# Provides: mathkernel
# Required-Start: $local_fs
# Required-Stop: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: mathkernel
### END INIT INFO