Cosmetics: Fix indentation and comment after r21027.

Originally committed as revision 21028 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/rawdec.c

@@ -115,7 +115,7 @@ static int raw_decode(AVCodecContext *avctx,
     frame->interlaced_frame = avctx->coded_frame->interlaced_frame;
     frame->top_field_first = avctx->coded_frame->top_field_first;
 
-    //4bpp raw in avi and mov (yes this is ugly ...)
+    //2bpp and 4bpp raw in avi and mov (yes this is ugly ...)
     if((avctx->bits_per_coded_sample == 4 || avctx->bits_per_coded_sample == 2) &&
        avctx->pix_fmt==PIX_FMT_PAL8 &&
        (!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' '))){