avutil: add missing version bump for AV_CRC_8_EBU

Signed-off-by: James Almer <jamrial@gmail.com>

doc/APIchanges

@@ -15,6 +15,9 @@ libavutil:     2017-10-21
 
 API changes, most recent first:
 
+2018-03-07 - xxxxxxx - lavu 56.9.100 - crc.h
+  Add AV_CRC_8_EBU crc variant.
+
 2018-03-xx - xxxxxxx - lavc 58.14.100 - mediacodec.h
   Change the default behavior of avcodec_flush() on mediacodec
   video decoders. To restore the previous behavior, use the new

libavutil/version.h

@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  56
-#define LIBAVUTIL_VERSION_MINOR   8
+#define LIBAVUTIL_VERSION_MINOR   9
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \