[babl] meson: fix mistake in add_dist_script

[Øyvind "pippin" Kolås <ok src gnome org>]

commit bb0ecbfe4c855de48394e35ca16507ee6048ea20
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed Jul 24 17:44:06 2019 +0200

    meson: fix mistake in add_dist_script

 babl/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/babl/meson.build b/babl/meson.build
index 2a27063..72b0e9b 100644
--- a/babl/meson.build
+++ b/babl/meson.build
@@ -57,7 +57,7 @@ if is_git_repo
   )
 
   meson.add_dist_script(
-    [ 'ninja', git_version_h.full_path(), ],
+    [ 'ninja', 'babl/git-version.h', ],
   )
   meson.add_dist_script(
     [ 'sh', '-c', ' '.join(