xorg-server: Update version from 1.19.5 to 1.19.6

Announcement from Wed Dec 20 20:42:46 UTC 2017 [1]:

> Yet another collection of fixes from master. There will likely be at
> least one more 1.19.x release in 2018 as there are still a number of
> unreviewed patches pending. Until then, happy new year.
>
> Adam Jackson (10):
>       xfixes: Remove the CursorCurrent array
>       glx: Fix typos that break GLX_ARB_context_flush_control
>       glx: Only flush indirect contexts in MakeCurrent (v2)
>       glx: Fix glXQueryContext for GLX_FBCONFIG_ID and GLX_RENDER_TYPE (v2)
>       composite: Remove a misleading comment
>       composite: Export compIsAlternateVisual
>       composite: Make compIsAlternateVisual safe even if Composite is off
>       glx: Send GLX_VISUAL_SELECT_GROUP_SGIX attribute for visuals
>       glx: Move Composite's synthetic visuals to a different select group
>       xserver 1.19.6
>
> Alex Goins (1):
>       ramdac: Check ScreenPriv != NULL in xf86ScreenSetCursor()
>
> Daniel Martin (4):
>       modesetting: Fix potential buffer overflow
>       test: input: Fix used uninitialized warning in dix_event_to_core
>       test: signal-logging: Fix looping signed number tests
>       os/xdmcp: Honour -once when session is dead
>
> Eric Anholt (1):
>       xkb: Print the xkbcomp path being executed when we fail to compile.
>
> Giuseppe Bilotta (3):
>       xkb: initialize tsyms
>       randr: ProcRRGetOutputInfo: initialize memory
>       randr: rrGetScreenResources: initialize memory
>
> Hector Martin (1):
>       edid: fix off-by-one error in CEA mode numbering
>
> Michel Dänzer (1):
>       present: Only send PresentCompleteNotify events to the presenting client
>
> Nikolay Martynov (1):
>       XShmGetImage: fix censoring
>
> Olivier Fourdan (2):
>       xwayland: Fix non-argb cursor conversion
>       dix: avoid deferencing NULL PtrCtrl
>
> Peter Hutterer (1):
>       config/udev: consider ID_INPUT_FOO=0 as 'unset'
>
> Thomas Hellstrom (3):
>       glx: Work around a GLX_OML swap method in older dri drivers
>       glx: Fix visual fbconfig matching with respect to swap method
>       glx: Duplicate relevant fbconfigs for compositing visuals
>
> Tomasz Śniatowski (1):
>       os: Fix strtok/free crash in ComputeLocalClient

[1] https://lists.x.org/archives/xorg-announce/2017-December/002830.html

xorg-server.be0

@@ -1,6 +1,6 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION xorg-server-1.19.5-0
+# BEE_VERSION xorg-server-1.19.6-0
 
 ## this file was created by bee init and should be executed to build a
 ## bee-package. (Additional hints are located at the end of this file.)