Fix telx test in es_out.c: p_block->i_rate has not been defined yet, so do it...

Fix telx test in es_out.c: p_block->i_rate has not been defined yet, so do it before testing its value.
(cherry picked from commit 9509b6bba727725f205f561689f653452c73410b)

src/input/es_out.c

@@ -1427,6 +1427,8 @@ static int EsOutSend( es_out_t *out, es_out_id_t *es, block_t *p_block )
         p_block->i_pts =
             input_ClockGetTS( p_input, &p_pgrm->clock, p_block->i_pts ) + i_delay;
     }
+
+    p_block->i_rate = p_sys->i_rate;
     if ( p_block->i_rate == INPUT_RATE_DEFAULT &&
          es->fmt.i_codec == VLC_FOURCC( 't', 'e', 'l', 'x' ) )
     {
@@ -1442,8 +1444,6 @@ static int EsOutSend( es_out_t *out, es_out_id_t *es, block_t *p_block )
         }
     }
 
-    p_block->i_rate = p_sys->i_rate;
-
     /* TODO handle mute */
     if( es->p_dec &&
         ( es->fmt.i_cat != AUDIO_ES ||