staging: dgap: fix some pr_warns with new lines in the string

This patch fixes some pr_warns that have newline
chars in the string because they mess up the
output.

Signed-off-by: Mark Hounschell <markh@compro.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/dgap/dgap.c
Simple merge