[gtk/pixbuf-loader-check] Be explicit when building gdk-pixbuf subproject

[Matthias Clasen <matthiasc src gnome org>]

commit 2496ab09027803c8215a25ab4abc098bbc0af97b
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Mar 25 22:52:30 2021 -0400

    Be explicit when building gdk-pixbuf subproject
    
    We require png and jpeg loaders.

 meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index f4e61aea07..e25dec77c4 100644
--- a/meson.build
+++ b/meson.build
@@ -384,7 +384,7 @@ pangocairo_dep = dependency('pangocairo', version: pango_req,
                             fallback : ['pango', 'libpangocairo_dep'])
 pixbuf_dep     = dependency('gdk-pixbuf-2.0', version: gdk_pixbuf_req,
                             fallback : ['gdk-pixbuf', 'gdkpixbuf_dep'],
-                            default_options: ['man=false'])
+                            default_options: ['png=true', 'jpeg=true', 'builtin_loaders=png,jpeg', 
'man=false'])
 epoxy_dep      = dependency('epoxy', version: epoxy_req,
                             fallback: ['libepoxy', 'libepoxy_dep'])
 harfbuzz_dep   = dependency('harfbuzz', version: '>= 0.9', required: false,