libX11: Update version from 1.6.7 to 1.6.8

From *[ANNOUNCE] libX11 1.6.8*:

> Adam Jackson (2):
>      _XDefaultIOError: Reformat to be less ugly
>      _XDefaultIOError: Do better at detecting explicit shutdown
>
> Alan Coopersmith (23):
>      Remove documentation of obsolete B16 & B32 tags in specs/libX11
>      Update README for gitlab migration
>      Import reallocarray() from OpenBSD
>      Convert main src directory to use reallocarray()
>      Convert src/XKB to use reallocarray()
>      Convert src/xcms to use reallocarray()
>      Add some missing allocation failure checks in src/xcms
>      Replace _XkbTypedRealloc & _XkbClearElems with new _XkbResizeArray
>      Replace Xmalloc+strcpy pairs with strdup calls
>      Convert src/xlibi18n to use reallocarray()
>      Fix out-of-tree builds after commit 8a62e26515e528bb47917ec4a55cc2b492419eeb
>      Remove no-longer-used name variable in _XGetAtomName
>      Fix implicit conversion warnings in _XlcCreateDefaultCharSet
>      Avoid use-after-free in _XimProtoSetIMValues()
>      Fix man page typo: XkbAllBellNotifyMask -> XkbAllBellEventsMask
>      XkbAllocGeomOverlayKey man page should be named XkbAllocGeomOverlayKeys
>      specs/XKB: Fix misprint in documentation of XkbGetNamedGeometry()
>      specs/XKB: Fix misprint in documentation of XkbAllocGeomOverlayRows()
>      specs/XKB: Fix misprint in documentation of XkbAllocGeomOverlayKeys()
>      specs/XKB: Fix misprint in documentation of XkbFreeGeomOverlayKeys()
>      XlibInt.c: include headers needed for ioctl(...FIONREAD...) on Solaris
>      Include reallocarray.h in tarballs so "make distcheck" passes
>      Add missing close paren to XrmGetStringDatabase synopsis in man page
>
> Albert Astals Cid (2):
>      compose.dir: Add ast_ES.UTF-8
>      locale.dir: Add ast_ES.UTF-8
>
> Jon Turney (4):
>      Add autoconf checks for headers we include for FIONREAD
>      Remove makekeys dependency on X headers
>      Use EXEEXT_FOR_BUILD for makekeys
>      Avoid using libtool wrapper for makekeys
>
> Josh Triplett (1):
>      compose.dir.pre: Give the C.UTF-8 locale a full set of UTF-8 compose sequences
>
> Matt Turner (2):
>      Use AC_SYS_LARGEFILE
>      libX11 1.6.8
>
> Matthias Dieter Wallnöfer (5):
>      locale.dir.pre - fix the de_LI latin15 locale
>      Update locale.alias.pre - introduce the de_LI aliases (equivalent to de_CH)
>      compose.dir.pre - add de_IT locale
>      locale.dir.pre - add the de_IT locale
>      locale.alias.pre - add the de_IT locale
>
> Pavel Labath (1):
>      Fix a leak in XCreateFontSet
>
> Ran Benita (1):
>      Compose.man: fix escaped hexadecimal char description
>
> Samuel Thibault (1):
>      Braille: Fix typing quickly
>
> Tapani Pälli (1):
>      Protect colormap add/removal with display lock
>
> ojab (1):
>      Compose sequences for rouble sign

libX11.be0

@@ -1,6 +1,6 @@
 #!/usr/bin/env beesh
 
-# BEE_VERSION libX11-1.6.7-0
+# BEE_VERSION libX11-1.6.8-0
 
 ## 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.)