[gimp/wip/nielsdg/meson-fix-test-build] meson: Fix building of tests

[Niels De Graef <nielsdg src gnome org>]

commit 244aec8fd12471db727c20375b00264bb9b76ba4
Author: Niels De Graef <nielsdegraef gmail com>
Date:   Sun May 10 15:51:07 2020 +0200

    meson: Fix building of tests
    
    The tests weren't building because they weren't linked to the static
    libappfiledata library.
    
    Note that some tests still need fixing, but at least they can be
    built/run now.

 app/meson.build       | 2 +-
 app/tests/meson.build | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/app/meson.build b/app/meson.build
index b1edca0ae3..8637baaeed 100644
--- a/app/meson.build
+++ b/app/meson.build
@@ -75,7 +75,7 @@ libapp = static_library('app',
 
 # Those subdirs need to link against the first ones
 subdir('config')
-# subdir('tests')
+subdir('tests')
 
 
 
diff --git a/app/tests/meson.build b/app/tests/meson.build
index 1a9a12c9e7..02c51c21ae 100644
--- a/app/tests/meson.build
+++ b/app/tests/meson.build
@@ -14,6 +14,7 @@ apptests_links = [
   libappdialogs,
   libappdisplay,
   libappfile,
+  libappfiledata,
   libappgegl,
   libappgui,
   libappinternalprocs,