[sound-juicer] build: Install documentation to standard location

[Link Dupont <link src gnome org>]

commit 8610d6cfcdccb15a1d74d7eab87a950da2432088
Author: Jeremy Bicha <jbicha debian org>
Date:   Mon Oct 5 20:39:56 2020 -0400

    build: Install documentation to standard location
    
    Previously, the documentation was installed to /usr/doc/
    but the correct location is /usr/share/doc/
    
    (or /usr/local/share/doc/ )
    
    https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch04s11.html#specificOptions15

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 5885b9f4..771adf17 100644
--- a/meson.build
+++ b/meson.build
@@ -7,7 +7,7 @@ sound_juicer_libdir = join_paths(sound_juicer_prefix, get_option('libdir'))
 sound_juicer_libexecdir = join_paths(sound_juicer_prefix, get_option('libexecdir'))
 sound_juicer_localedir = join_paths(sound_juicer_prefix, get_option('localedir'))
 
-sound_juicer_docdir = join_paths(sound_juicer_prefix, 'doc', meson.project_name())
+sound_juicer_docdir = join_paths(sound_juicer_datadir, 'doc', meson.project_name())
 
 gnome = import('gnome')
 i18n = import('i18n')