[gimp] app-tools: fix the meson file.

[Jehan <jehanp src gnome org>]

commit ded382f8b72f373b9600962f5a08a547c4092be3
Author: Jehan <jehan girinstud io>
Date:   Fri Feb 14 00:03:32 2020 +0100

    app-tools: fix the meson file.
    
    As always, separate commit for easy cherry-pick on gimp-2-10.

 app-tools/meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/app-tools/meson.build b/app-tools/meson.build
index 4a29f381bc..c66ac7c6cb 100644
--- a/app-tools/meson.build
+++ b/app-tools/meson.build
@@ -11,6 +11,7 @@ gimp_debug_tool = executable('gimp-debug-tool-' + gimp_app_version,
   link_with: [
     libapp,
     libappwidgets,
+    libgimpbase,
   ],
   install: true,
   install_dir: get_option('libexecdir')