update for gnome-settings-daemon
- Add gnome-settings-daemon-no-lockscreen-screenshot.patch:
+ media-keys: Disallow screenshots when locked (boo#900031,
bgo#737456, CVE-2014-7300).
- Submitted by Dominique Leuenberger (dimstar)
Fixed bugs
bnc#900031
CVE-2014-7300: gnome-shell: lockscreen bypass with printscreen key