[rygel] Fix stylesheet detection

[Jens Georg <jensgeorg src gnome org>]

commit 4f08b8ac5bad8346382ba4522383723297434064
Author: Jens Georg <mail jensge org>
Date:   Sun Dec 27 14:25:22 2020 +0100

    Fix stylesheet detection

 doc/man/meson.build | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/doc/man/meson.build b/doc/man/meson.build
index 4c92eab2..043efe2f 100644
--- a/doc/man/meson.build
+++ b/doc/man/meson.build
@@ -33,13 +33,14 @@ if xsltproc.found()
         [
             xsltproc,
             xlstproc_flags,
-            '-o', '/dev/null',
+            '--noout',
             stylesheet,
             'rygel.xml'
         ]
     )
 
     if (r.returncode() == 0)
+        message('docbook stylesheets found')
         custom_target(
             'man 1 pages',
             input: 'rygel.xml',