[gupnp] Revert "build: Do not write man page during test"

[Jens Georg <jensgeorg src gnome org>]

commit 1d61bdc00748eca375be13f36aadfad0d1268755
Author: Jens Georg <mail jensge org>
Date:   Tue Jan 4 15:05:14 2022 +0100

    Revert "build: Do not write man page during test"
    
    This reverts commit 79a2cb24cd0079e9a025809d11dce13edce68bdd.
    
    Does not work, will exit xsltproc with an error as if the file was not
    writeable

 doc/meson.build | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/doc/meson.build b/doc/meson.build
index c5ebbc0..701b845 100644
--- a/doc/meson.build
+++ b/doc/meson.build
@@ -79,7 +79,6 @@ if xsltproc.found()
             xsltproc,
             xlstproc_flags,
             '--noout',
-            '--nowrite',
             stylesheet,
             docbook_man_page
         ]