SUSE-SU-2019:2956-1 Security update for qemu

This update for qemu fixes the following issues: - Remove a backslash '' escape character from 80-qemu-ga.rules bsc1153358 Unlike sles 15 or newer guests, The udev rule file of qemu guest agent in sles 12 sp4 or newer guest only needs one escape character. - Fix use-after-free in slirp...