Fix duplicate gdbuspp dependency entry

Author: AaryaTalgaonkar

meson.build

@@ -40,7 +40,7 @@ base_dependencies = [
     dep_selinux,
     dep_systemd,
     dep_tinyxml2,
-    dependency('gdbuspp', static: true)
+    dependency('gdbuspp', static: true),
     dependency('glib-2.0'),
     dependency('gio-2.0'),
     dependency('gio-unix-2.0'),