This update fixes the following issues with lightdm:
- update to version 1.4.7
+ Handle signals being received in child processes instead of treating them like they are received in the daemon
+ bnc#846832, lp#1260220: Ensure X authority is written before X server is started
+ Fix some small memory leaks detected by valgrind
+ Fix double removal of source IDs
+ Correctly invoke PAM to change authentication token
+ Load configuration from /etc/lightdm/lightdm.conf.d
+ Fix crash where Process objects are accessed after unref
+ Update apparmor abstractions
+ Don't fail writing X authority if reading it had an error
+ Correctly set permissions on Xauthority file
+ Fix overallocation of array for strings from greeter
+ Fix truncation writing card32 in XDMCP server
+ Fix compile warnings
+ Stop using g_file_set_replace - it can leave intermediate files around
+ Fix script hooks no longer working with latest glib
+ Ensure test programs quit when the status socket closes
+ Stop deprecation warnings from glib >= 2.36