[gssdp] doc: Let meson do the build/src thing

[Jens Georg <jensgeorg src gnome org>]

commit 673ce89ec8bef0ee0681840683a93f0b9e8a8764
Author: Jens Georg <mail jensge org>
Date:   Tue Oct 6 11:21:49 2020 +0200

    doc: Let meson do the build/src thing

 doc/meson.build | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/doc/meson.build b/doc/meson.build
index 434a1b1..383417e 100644
--- a/doc/meson.build
+++ b/doc/meson.build
@@ -8,8 +8,7 @@ gnome.gtkdoc('gssdp',
              main_xml : 'gssdp-docs.xml',
              gobject_typesfile : 'gssdp.types',
              dependencies : [gssdp, dependencies],
-             src_dir : [join_paths(meson.source_root(), 'libgssdp'),
-                        join_paths(meson.build_root(), 'libgssdp')],
+             src_dir : ['libgssdp'],
              ignore_headers : [
                  'gssdp-socket-source.h',
                  'gssdp-client-private.h',