Fix typo: seqence -> sequence

Change-Id: I84d386bd918b391e316ee88f2121bee6de5b14c7
diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index 86ea624..6eb4adc 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -2554,7 +2554,7 @@
   BufferPool *const pool = cm->buffer_pool;
   RefCntBuffer *const frame_bufs = pool->frame_bufs;
 
-  if (!pbi->seqence_header_ready) {
+  if (!pbi->sequence_header_ready) {
     aom_internal_error(&cm->error, AOM_CODEC_CORRUPT_FRAME,
                        "No sequence header");
   }
diff --git a/av1/decoder/decoder.h b/av1/decoder/decoder.h
index c861bf0..1626645 100644
--- a/av1/decoder/decoder.h
+++ b/av1/decoder/decoder.h
@@ -92,7 +92,7 @@
   int tg_size;             // Number of tiles in the current tilegroup
   int tg_start;            // First tile in the current tilegroup
   int tg_size_bit_offset;
-  int seqence_header_ready;
+  int sequence_header_ready;
 #if CONFIG_INSPECTION
   aom_inspect_cb inspect_cb;
   void *inspect_ctx;
diff --git a/av1/decoder/obu.c b/av1/decoder/obu.c
index fba0e4d..7d59e4d 100644
--- a/av1/decoder/obu.c
+++ b/av1/decoder/obu.c
@@ -176,7 +176,7 @@
   cm->film_grain_params_present = aom_rb_read_bit(rb);
 #endif
 
-  pbi->seqence_header_ready = 1;
+  pbi->sequence_header_ready = 1;
 
   return ((rb->bit_offset - saved_bit_offset + 7) >> 3);
 }