libXScrnSaver: update to 1.2.3.

Fixes a 25+-year-old bug in correctly filling in the ::root member of
the ScreenSaverNotify event.

Adam Jackson (1):
      libXScrnSaver 1.2.3

Alan Coopersmith (3):
      Copy root field from wire event into root, not window, of Xlib event
      configure: Drop AM_MAINTAINER_MODE
      autogen.sh: Honor NOCONFIGURE=1

Daniel Martin (1):
      Fix typo in man page: XScreenSaverSaverRegister()

Emil Velikov (1):
      autogen.sh: use quoted string variables

Mihail Konev (1):
      autogen: add default patch prefix

Peter Hutterer (1):
      autogen.sh: use exec instead of waiting for configure to finish

(wiz)