docs: Fix interface prefix for D-Bus docs

The --interface-prefix= gtk-doc argument was being passed a stringified
array instead of a simple string.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/644

diff --git a/docs/reference/shell/meson.build b/docs/reference/shell/meson.build
index a963db792c4fe3e2761a51d91d05a9c139a5da10..9d8bbfd19b4a2da522335d584737b2f5ba424a45 100644 (file)
--- a/docs/reference/shell/meson.build
+++ b/docs/reference/shell/meson.build
@@ -28,7 +28,7 @@ foreach iface : ifaces
     output: 'doc-gen-' + iface[1],
     command: [
       'gdbus-codegen',
-      '--interface-prefix=@0@.'.format(iface),
+      '--interface-prefix=@0@.'.format(iface[0]),
       '--generate-docbook', 'doc-gen',
       '--output-directory', '@OUTDIR@',
       '@INPUT@'