Move xGA font data from lavc to lavu.

This needs to be accessible for libavfilter in the next commit.

libavcodec/bintext.c

@@ -29,6 +29,7 @@
  */
 
 #include "libavutil/intreadwrite.h"
+#include "libavutil/xga_font_data.h"
 #include "avcodec.h"
 #include "cga_data.h"
 #include "bintext.h"
@@ -82,10 +83,10 @@ static av_cold int decode_init(AVCodecContext *avctx)
             av_log(avctx, AV_LOG_WARNING, "font height %i not supported\n", s->font_height);
             s->font_height = 8;
         case 8:
-            s->font = ff_cga_font;
+            s->font = avpriv_cga_font;
             break;
         case 16:
-            s->font = ff_vga16_font;
+            s->font = avpriv_vga16_font;
             break;
         }
     }