'sudo pkill -f' should not match the sudo process

pkill already takes care that it does not kill itself, however the
same problem may happen with 'sudo pkill -f' killing sudo. Use one
of the usual regex tricks to avoid that.

Change-Id: Ic6a94f516cbc509a2d77699494aa7bcaecf96ebc
Closes-Bug: #1999395
2 files changed