stream: handle seek across EOF correctly (hopefully)

(cherry picked from commit 6419254f5bb5ae06b72c93c9b52cd0a3bbbacb94)
Signed-off-by: Felix Paul Kühne <fkuehne@videolan.org>

src/input/stream.c

@@ -1083,15 +1083,15 @@ static int AStreamPeekStream( stream_t *s, const uint8_t **pp_peek, unsigned int
             /* Be sure we will read something */
             p_sys->stream.i_used += tk->i_start + p_sys->stream.i_offset + i_read - tk->i_end;
         }
-        if( AStreamRefillStream( s ) ) break;
-    }
-
-    if( tk->i_end < tk->i_start + p_sys->stream.i_offset + i_read )
-    {
-        i_read = tk->i_end - tk->i_start - p_sys->stream.i_offset;
+        if( AStreamRefillStream( s ) )
+        {
+            if( tk->i_end < tk->i_start + p_sys->stream.i_offset )
+                return 0; /* EOF */
+            i_read = tk->i_end - tk->i_start - p_sys->stream.i_offset;
+            break;
+        }
     }
 
-
     /* Now, direct pointer or a copy ? */
     i_off = (tk->i_start + p_sys->stream.i_offset) % STREAM_CACHE_TRACK_SIZE;
     if( i_off + i_read <= STREAM_CACHE_TRACK_SIZE )