[sysprof] build: fix warning about add_languages()

[Christian Hergert <chergert src gnome org>]

commit 3d7abf27b84d8e00642daa6520e221360b3c1611
Author: Christian Hergert <chergert redhat com>
Date:   Fri Apr 1 17:01:42 2022 -0700

    build: fix warning about add_languages()
    
    We don't need to run things on the build machine, so native is not
    required for this.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 8cc4ec36..83e505c8 100644
--- a/meson.build
+++ b/meson.build
@@ -29,7 +29,7 @@ polkit_req_version = '>= 0.105'
 cc = meson.get_compiler('c')
 
 if get_option('libsysprof')
-  add_languages('cpp')
+  add_languages('cpp', native: false)
   cxx = meson.get_compiler('cpp')
 endif