Update XZ Utils to 5.0.3 (in deps)

Doxyfile.in

 # Doxyfile 1.4.7
 
 # Copyright (C) 1997-2007 by Dimitri van Heesch
 # License: GNU GPLv2+
 
 # This file describes the settings to be used by the documentation system
 # doxygen (www.doxygen.org) for a project
 #
 # All text after a hash (#) is considered a comment and will be ignored
 # The format is:
@@ skipping 100 matching lines @@
 
 FULL_PATH_NAMES        = YES
 
 # If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag
 # can be used to strip a user-defined part of the path. Stripping is
 # only done if one of the specified strings matches the left-hand part of
 # the path. The tag can be used to show relative paths in the file list.
 # If left blank the directory from which doxygen is run is used as the
 # path to strip.
 
-STRIP_FROM_PATH        =
+STRIP_FROM_PATH        = @top_srcdir@/src
 
 # The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of
 # the path mentioned in the documentation of a class, which tells
 # the reader which header file to include in order to use a class.
 # If left blank only the name of the header file containing the class
 # definition is used. Otherwise one should specify the include paths that
 # are normally passed to the compiler using the -I flag.
 
 STRIP_FROM_INC_PATH    =
 
@@ skipping 1093 matching lines @@
 DOT_CLEANUP            = YES
 
 #---------------------------------------------------------------------------
 # Configuration::additions related to the search engine
 #---------------------------------------------------------------------------
 
 # The SEARCHENGINE tag specifies whether or not a search engine should be
 # used. If set to NO the values of all tags below this one will be ignored.
 
 SEARCHENGINE           = NO