macosx: rebuild plugins cache for bundle creation

The build-dir plugin cache is incomplete and contains wrong paths.

extras/package/macosx/package.mak

@@ -21,7 +21,7 @@ VLC.app: VLC-tmp
 	rm -Rf $@/Contents/Frameworks/BGHUDAppKit.framework/Versions/A/Resources/BGHUDAppKitPlugin.ibplugin
 	rm -Rf $@/Contents/Frameworks/BGHUDAppKit.framework/Versions/A/Resources/README.textile
 	PRODUCT="$@" ACTION="release-makefile" src_dir=$(srcdir) build_dir=$(top_builddir) sh $(srcdir)/extras/package/macosx/build-package.sh
-	cp "$(top_builddir)/modules/plugins.dat" $@/Contents/MacOS/plugins
+	bin/vlc-cache-gen $@/Contents/MacOS/plugins
 	find $@ -type d -exec chmod ugo+rx '{}' \;
 	find $@ -type f -exec chmod ugo+r '{}' \;