Remove statements immediately following unconditional jumps

This removes a number of compiler warnings.
Signed-off-by: Mans Rullgard <mans@mansr.com>

libavcodec/cook.c

@@ -1156,7 +1156,6 @@ static av_cold int cook_decode_init(AVCodecContext *avctx)
             default:
                 av_log_ask_for_sample(avctx, "Unknown Cook version.\n");
                 return -1;
-                break;
         }
 
         if(s > 1 && q->subpacket[s].samples_per_channel != q->samples_per_channel) {

libavcodec/flicvideo.c

@@ -112,7 +112,6 @@ static av_cold int flic_decode_init(AVCodecContext *avctx)
         case 24 : avctx->pix_fmt = PIX_FMT_BGR24; /* Supposedly BGR, but havent any files to test with */
                   av_log(avctx, AV_LOG_ERROR, "24Bpp FLC/FLX is unsupported due to no test files.\n");
                   return -1;
-                  break;
         default :
                   av_log(avctx, AV_LOG_ERROR, "Unknown FLC/FLX depth of %d Bpp is unsupported.\n",depth);
                   return -1;

libavcodec/mjpegdec.c

@@ -1540,7 +1540,6 @@ eoi_parser:
                     }
 
                     goto the_end;
-                    break;
                 case SOS:
                     if (!s->got_picture) {
                         av_log(avctx, AV_LOG_WARNING, "Can not process SOS before SOF, skipping\n");

libavcodec/pcm.c

@@ -440,7 +440,6 @@ static int pcm_decode_frame(AVCodecContext *avctx,
         default:
             av_log(avctx, AV_LOG_ERROR, "PCM DVD unsupported sample depth\n");
             return -1;
-            break;
         }
         samples = (short *) dst_int32_t;
         break;

libavcodec/shorten.c

@@ -471,7 +471,6 @@ static int shorten_decode_frame(AVCodecContext *avctx,
                         s->cur_chan = 0;
                         goto frame_done;
                     }
-                    break;
                 }
                 break;
             case FN_VERBATIM:
@@ -489,11 +488,9 @@ static int shorten_decode_frame(AVCodecContext *avctx,
             case FN_QUIT:
                 *data_size = 0;
                 return buf_size;
-                break;
             default:
                 av_log(avctx, AV_LOG_ERROR, "unknown shorten function %d\n", cmd);
                 return -1;
-                break;
         }
     }
 frame_done:

libavformat/a64.c

@@ -55,7 +55,6 @@ static int a64_write_header(struct AVFormatContext *s)
         break;
     default:
         return AVERROR(EINVAL);
-        break;
     }
     avio_write(s->pb, header, 2);
     c->prev_pkt.size = 0;

libavformat/idroqdec.c

@@ -209,7 +209,6 @@ static int roq_read_packet(AVFormatContext *s,
         default:
             av_log(s, AV_LOG_ERROR, "  unknown RoQ chunk (%04X)\n", chunk_type);
             return AVERROR_INVALIDDATA;
-            break;
         }
     }
 

libavformat/oma.c

@@ -149,7 +149,6 @@ static int oma_read_header(AVFormatContext *s,
         default:
             av_log(s, AV_LOG_ERROR, "Unsupported codec %d!\n",buf[32]);
             return -1;
-            break;
     }
 
     st->codec->block_align = framesize;

libavformat/psxstr.c

@@ -234,7 +234,6 @@ static int str_read_packet(AVFormatContext *s,
             pkt->stream_index =
                 str->channels[channel].audio_stream_index;
             return 0;
-            break;
         default:
             av_log(s, AV_LOG_WARNING, "Unknown sector type %02X\n", sector[0x12]);
             /* drop the sector and move on */

libavformat/wc3movie.c

@@ -152,7 +152,6 @@ static int wc3_read_header(AVFormatContext *s,
                 (uint8_t)fourcc_tag, (uint8_t)(fourcc_tag >> 8), (uint8_t)(fourcc_tag >> 16), (uint8_t)(fourcc_tag >> 24),
                 (uint8_t)fourcc_tag, (uint8_t)(fourcc_tag >> 8), (uint8_t)(fourcc_tag >> 16), (uint8_t)(fourcc_tag >> 24));
             return AVERROR_INVALIDDATA;
-            break;
         }
 
         fourcc_tag = avio_rl32(pb);