Fix building with meson after libdng/lensfun were added

meson.build

@@ -9,13 +9,15 @@ tiff = dependency('libtiff-4')
 jpeg = dependency('libjpeg')
 exif = dependency('libexif')
 cv = dependency('opencv4')
+lensfun = dependency('lensfun')
+libdng = dependency('libdng')
 
 executable('postprocessd', 'main.c','postprocess.c', 'stacker.cpp', 'stackercpp.cpp', 'util.c',
-    dependencies: [raw, tiff, jpeg, exif, cv],
+    dependencies: [raw, tiff, jpeg, exif, cv, lensfun, libdng],
     install: true)
 
 executable('postprocess-single', 'single.c','postprocess.c', 'stacker.cpp', 'stackercpp.cpp', 'util.c',
-    dependencies: [raw, tiff, jpeg, exif, cv],
+    dependencies: [raw, tiff, jpeg, exif, cv, lensfun, libdng],
     install: true)
 
 # Megapixels integration scripts