[libpeas] libpeas-gtk: correct pc file

[Christian Hergert <chergert src gnome org>]

commit 0aeafe000a475da691c175a692280354988d50e2
Author: worldofpeace <worldofpeace protonmail ch>
Date:   Mon Sep 23 18:09:26 2019 -0400

    libpeas-gtk: correct pc file
    
    All of the Requires in this .pc got moved
    to Requries.private with the move to meson.
    
    Here's a diff for visualization:
    -Name: libpeas-gtk
    -Description: libpeas-gtk, a GObject plugins library (Gtk widgets)
    -Requires: glib-2.0 >= 2.38.0, gtk+-3.0 >= 3.0.0, libpeas-1.0 >= 1.22.0
    -Version: 1.22.0
    +Name: libpeas-gtk-1.0
    +Description: GObject plugins library widgetery
    +Version: 1.24.0
    +Requires.private: libpeas-1.0, glib-2.0 >=  2.38.0, gobject-2.0 >=  2.38.0, gobject-introspection-1.0 >= 
 1.39.0, gtk+-3.0 >=  3.0.0, gmodule-2.0 >=  2.38.0, gio-2.0 >=  2.38.0
    +Libs: -L${prefix}//lib  -lpeas-gtk-1.0
     Cflags: -I${includedir}/libpeas-1.0
    -Libs: -L${libdir} -lpeas-gtk-1.0
    
    This commit makes it generally the same as it was before.

 libpeas-gtk/meson.build | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/libpeas-gtk/meson.build b/libpeas-gtk/meson.build
index bf590de..00def42 100644
--- a/libpeas-gtk/meson.build
+++ b/libpeas-gtk/meson.build
@@ -111,10 +111,17 @@ libpeas_gtk_test_dep = declare_dependency(
   sources: libpeas_gtk_dep_sources,
 )
 
+libpeas_gtk_pc_reqs = [
+  glib_dep,
+  gtk_dep,
+  package_string + ' >= @0@'.format(version)
+]
+
 libpeas_gtk_pc = pkg.generate(
   libpeas_gtk_sha,
   name: package_gtk_string,
   description: 'GObject plugins library widgetery',
+  requires: libpeas_gtk_pc_reqs,
   subdirs: package_string,
   install_dir: pkgconfigdir,
 )