This fixes:
dbus-daemon[207]: (upowerd:401): UPower-Linux-WARNING **: failed to run script: Failed to execute child process "/usr/bin/pm-is-supported" (No such file or directory)
dbus-daemon[207]: (upowerd:401): UPower-Linux-WARNING **: failed to run script: Failed to execute child process "/usr/bin/pm-is-supported" (No such file or directory)
dbus-daemon[207]: (upowerd:401): UPower-WARNING **: failed to run script: Failed to execute child process "/usr/sbin/pm-powersave" (No such file or directory)
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>