fixed the ffmpeg build size

libs/FFmpeg/include/libavutil/avutil.h

@@ -151,6 +151,12 @@
  * @{
  *
  * @}
+ *
+ * @defgroup version_utils Library Version Macros
+ *
+ * @{
+ *
+ * @}
  */
 
 
@@ -282,10 +288,10 @@ char av_get_picture_type_char(enum AVPictureType pict_type);
 
 #include "common.h"
 #include "error.h"
+#include "rational.h"
 #include "version.h"
 #include "macros.h"
 #include "mathematics.h"
-#include "rational.h"
 #include "log.h"
 #include "pixfmt.h"
 
@@ -325,6 +331,11 @@ unsigned av_int_list_length_for_size(unsigned elsize,
  */
 FILE *av_fopen_utf8(const char *path, const char *mode);
 
+/**
+ * Return the fractional representation of the internal time base.
+ */
+AVRational av_get_time_base_q(void);
+
 /**
  * @}
  * @}