Adding timing info to sequence headers

Change-Id: I0fdb09499196e02709e067f690dff71146ee5114
diff --git a/aom_dsp/bitwriter_buffer.h b/aom_dsp/bitwriter_buffer.h
index 1f23dc8..ac328d5 100644
--- a/aom_dsp/bitwriter_buffer.h
+++ b/aom_dsp/bitwriter_buffer.h
@@ -31,6 +31,11 @@
 
 void aom_wb_write_literal(struct aom_write_bit_buffer *wb, int data, int bits);
 
+#if CONFIG_TIMING_INFO_IN_SEQ_HEADERS
+void aom_wb_write_unsigned_literal(struct aom_write_bit_buffer *wb,
+                                   uint32_t data, int bits);
+#endif
+
 void aom_wb_overwrite_literal(struct aom_write_bit_buffer *wb, int data,
                               int bits);