[gnome-control-center/wip/davidk/meson-source_dir] common: Add missing source_dir

[David King <davidk src gnome org>]

commit 741aeffed7751a0ae1514d708022284906fd6845
Author: David King <amigadave amigadave com>
Date:   Wed Feb 16 11:14:12 2022 +0000

    common: Add missing source_dir
    
    This seems to match other uses of compile_resources(). Without this, the
    build fails on s390 as the resources header is not generated.

 panels/common/meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/panels/common/meson.build b/panels/common/meson.build
index 20b9dcf16..bc4cc339a 100644
--- a/panels/common/meson.build
+++ b/panels/common/meson.build
@@ -66,6 +66,7 @@ resource_data = files(
 sources += gnome.compile_resources(
   'cc-common-resources',
   'common.gresource.xml',
+  source_dir: '.',
   c_name: 'cc_common',
   dependencies: resource_data,
   export: true