Replace libtiff dependency by libdng

meson.build

@@ -3,13 +3,13 @@ project('megapixels', 'c', version: '2.0.0')
 gnome = import('gnome')
 gtkdep = dependency('gtk4')
 libfeedback = dependency('libfeedback-0.0')
-tiff = dependency('libtiff-4')
 zbar = dependency('zbar')
 threads = dependency('threads')
 # gl = dependency('gl')
 epoxy      = dependency('epoxy')
 
 libmp = dependency('libmegapixels')
+libdng = dependency('libdng')
 
 # We only build in support for Wayland/X11 if GTK did so
 optdeps = []
@@ -63,7 +63,7 @@ executable('megapixels',
   'src/dcp.c',
   resources,
   include_directories: 'src/',
-  dependencies: [gtkdep, libfeedback, libm, tiff, zbar, threads, epoxy, libmp] + optdeps,
+  dependencies: [gtkdep, libfeedback, libm, zbar, threads, epoxy, libmp, libdng] + optdeps,
   install: true,
   link_args: '-Wl,-ldl')