make meson find gatt module (#113)

Author: Alex R

meson.build

@@ -1,6 +1,6 @@
 project('siglo',  
           version: '0.1.0',
-    meson_version: '>= 0.50.0',
+    meson_version: '>= 0.55.0',
   default_options: [ 'warning_level=2',
                    ],
 )

src/meson.build

@@ -12,7 +12,7 @@ gnome.compile_resources('siglo',
 python = import('python')
 
 conf = configuration_data()
-conf.set('PYTHON', python.find_installation('python3').path())
+conf.set('PYTHON', python.find_installation('python3', modules: ['gatt']).full_path())
 conf.set('VERSION', meson.project_version())
 conf.set('localedir', join_paths(get_option('prefix'), get_option('localedir')))
 conf.set('pkgdatadir', pkgdatadir)