Fix dead assignement.

modules/access/vcdx/access.c

@@ -146,8 +146,6 @@ VCDReadBlock( access_t * p_access )
     int          i_read;
     uint8_t     *p_buf;
 
-    i_read = 0;
-
     dbg_print( (INPUT_DBG_LSN), "lsn: %lu",
                (long unsigned int) p_vcdplayer->i_lsn );
 

modules/demux/mp4/mp4.c

@@ -207,7 +207,6 @@ static inline int64_t MP4_TrackGetDTS( demux_t *p_demux, mp4_track_t *p_track )
         else
         {
             i_dts += i_sample * chunk.p_sample_delta_dts[i_index];
-            i_sample = 0;
             break;
         }
     }

modules/gui/ncurses.c

@@ -2449,7 +2449,6 @@ static void Eject( intf_thread_t *p_intf )
     }
 
     /* Remove what we have after @ */
-    psz_parser = psz_device;
     for( psz_parser = psz_device ; *psz_parser ; psz_parser++ )
     {
         if( *psz_parser == '@' )