core:there are dos end of lines in engine.log

Removing the '\r\n' from the message.

Change-Id: I73eae1a3d76ffca00089ace3e9fc371950da30ff
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1015052
Signed-off-by: Eli Mesika <emesika@redhat.com>