* added 2 options for the OSX-disk-image creation-line

    - scrub: removes .Trashes
    - imagekey zlib-level=9: uses a better compression method, which saves us something MBs, but needs a bit more CPU-time.

Thanks to cilly on IRC for suggesting this.

Makefile.am

@@ -847,7 +847,8 @@ package-macosx:
 	echo "Creating disk image" ;
 	rm -f "$(top_builddir)/vlc-${VERSION}.dmg" ;
 	hdiutil create -srcfolder "$(top_builddir)/vlc-${VERSION}" \
-	  "$(top_builddir)/vlc-${VERSION}.dmg" -format UDZO -quiet ;
+	  "$(top_builddir)/vlc-${VERSION}.dmg" -format UDZO -quiet \
+	  -scrub -imagekey zlib-level=9 ;
 	echo; echo "Disk image creation completed:" ;
 	ls -la "$(top_builddir)/vlc-${VERSION}.dmg" ; echo ;