This patch fixes an issue in iniset where backslash (\) characters are
removed from the config value.
This patch ensures that backslash characters (\) are escaped in addition
to the ampersand (&) character that was already being escaped.
Closes-Bug: #2120180
Signed-off-by: Douglas Mendizábal <dmendiza@redhat.com>
Change-Id: Ica53ed42269931d151daf815d2e2c10c1f9e29a8