Move EXT_TILE_DEBUG code to the right location

Following the frame header code change, moved EXT_TILE_DEBUG code
to the right location.

Change-Id: Ie2020b528024e0acf9b24912c459f5529d26add8

av1/encoder/bitstream.c

diff --git a/av1/encoder/bitstream.c b/av1/encoder/bitstream.c
index 23dc57d..c6e2e3b 100644
--- a/av1/encoder/bitstream.c
+++ b/av1/encoder/bitstream.c
@@ -3718,6 +3718,20 @@
     data += frame_header_size;
     total_size += frame_header_size;
 
+#define EXT_TILE_DEBUG 0
+#if EXT_TILE_DEBUG
+    {
+      char fn[20] = "./fh";
+      fn[4] = cm->current_video_frame / 100 + '0';
+      fn[5] = (cm->current_video_frame % 100) / 10 + '0';
+      fn[6] = (cm->current_video_frame % 10) + '0';
+      fn[7] = '\0';
+      av1_print_uncompressed_frame_header(data - frame_header_size,
+                                          frame_header_size, fn);
+    }
+#endif  // EXT_TILE_DEBUG
+#undef EXT_TILE_DEBUG
+
     int tile_size_bytes = 0;
     int tile_col_size_bytes = 0;
 
@@ -4042,7 +4056,6 @@
   }
 
   const int write_frame_header = (cm->num_tg > 1 || cm->show_existing_frame);
-
   struct aom_write_bit_buffer saved_wb;
   if (write_frame_header) {
     // Write Frame Header OBU.
@@ -4069,19 +4082,6 @@
     saved_wb.bit_buffer += length_field_size;
   }
 
-#define EXT_TILE_DEBUG 0
-#if EXT_TILE_DEBUG
-  {
-    char fn[20] = "./fh";
-    fn[4] = cm->current_video_frame / 100 + '0';
-    fn[5] = (cm->current_video_frame % 100) / 10 + '0';
-    fn[6] = (cm->current_video_frame % 10) + '0';
-    fn[7] = '\0';
-    av1_print_uncompressed_frame_header(data - obu_size, obu_size, fn);
-  }
-#endif  // EXT_TILE_DEBUG
-#undef EXT_TILE_DEBUG
-
   if (cm->show_existing_frame) {
     data_size = 0;
   } else {