[gupnp] build: Fix public dependencies

[Jens Georg <jensgeorg src gnome org>]

commit ff8521963f83ad330dd69c3df8434d9614ded768
Author: Jens Georg <mail jensge org>
Date:   Wed May 1 22:32:58 2019 +0200

    build: Fix public dependencies
    
    Fixes #7

 libgupnp/gupnp-service-info.h | 1 -
 libgupnp/meson.build          | 3 ++-
 meson.build                   | 3 +--
 3 files changed, 3 insertions(+), 4 deletions(-)
---
diff --git a/libgupnp/gupnp-service-info.h b/libgupnp/gupnp-service-info.h
index 25cb8ab..0e4fd72 100644
--- a/libgupnp/gupnp-service-info.h
+++ b/libgupnp/gupnp-service-info.h
@@ -23,7 +23,6 @@
 #define GUPNP_SERVICE_INFO_H
 
 #include <glib-object.h>
-#include <libxml/tree.h>
 #include <libsoup/soup-uri.h>
 
 #include "gupnp-context.h"
diff --git a/libgupnp/meson.build b/libgupnp/meson.build
index b832acb..02350f4 100644
--- a/libgupnp/meson.build
+++ b/libgupnp/meson.build
@@ -1,6 +1,6 @@
 context_manager_impl = []
 context_manager_args = []
-system_deps = []
+system_deps = [guul.get_variable('guul')]
 
 if host_machine.system() == 'windows'
     context_manager_impl += 'gupnp-windows-context-manager.c'
@@ -110,6 +110,7 @@ pkg.generate(
     libraries : libgupnp,
     subdirs: 'gupnp-1.2',
     name : 'gupnp-1.2',
+    requires : dependencies,
     description : 'GObject-based UPnP library',
     version : meson.project_version(),
     filebase : 'gupnp-1.2'
diff --git a/meson.build b/meson.build
index 9cf4697..99948a3 100644
--- a/meson.build
+++ b/meson.build
@@ -25,8 +25,7 @@ dependencies = [
     dependency('gobject-2.0', version : '>= 2.44'),
     dependency('gssdp-1.2', version : '>= 1.1.3'),
     dependency('libsoup-2.4', version : '>= 2.48.0'),
-    dependency('libxml-2.0'),
-    guul.get_variable('guul')
+    dependency('libxml-2.0')
 ]
 
 subdir('libgupnp')