V4L/DVB (5962): Fix line-break in err output

line-breaks in dib0700-remote-query function fixed.

Signed-off-by: Janne Grunau <janne-dvb@grunau.be>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>