contrib: enable libass in the contrib for mac

It seems I had never committed this and then checked out a master version of it or something when working on libass tree.

extras/contrib/src/Distributions/darwin.mak

@@ -6,7 +6,7 @@ download-all: autoconf gnumake automake libtool gettext pkgconfig freetype2 \
     asa jpeg tiff SDL zlib libpng libgpg-error libgcrypt opencdk gnutls \
     libopendaap libcddb libcdio vcdimager SDL_image glib gecko-sdk mpcdec \
     dirac expat taglib x264 yasm goom lua zvbi fontconfig ncurses liboil \
-    schroedinger all
+    schroedinger libass all
 all: .autoconf .gnumake .automake .libtool .intl .pkgcfg .freetype \
     .fribidi .a52 .mpeg2 .id3tag .mad .ogg .vorbis .vorbisenc .theora \
     .flac .speex .shout .faad .faac .lame .twolame .ebml .matroska .ffmpeg \
@@ -14,7 +14,7 @@ all: .autoconf .gnumake .automake .libtool .intl .pkgcfg .freetype \
     .png .gpg-error .gcrypt .opencdk .gnutls .opendaap .cddb .cdio .vcdimager \
     .SDL_image .glib .gecko .mpcdec .dirac_encoder .dirac_decoder \
     .dca .tag .x264 .goom2k4 .lua .zvbi .fontconfig .ncurses .liboil \
-    .schroedinger .aclocal
+    .schroedinger .libass .aclocal
 # .expat .clinkcc don't work with SDK yet
 # .glib .IDL .gecko are required to build the mozilla plugin
 # .mozilla-macosx will build an entire mozilla. it can be used if we need to create a new .gecko package