avcodec: bump version after rotation api

Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>

doc/APIchanges

@@ -21,7 +21,7 @@ API changes, most recent first:
   Add AV_FRAME_DATA_DISPLAYMATRIX for exporting frame-level
   spatial rendering on video frames for proper display.
 
-2014-05-xx - xxxxxxx - lavc 55.52.0 - avcodec.h
+2014-05-xx - xxxxxxx - lavc 55.53.0 - avcodec.h
   Add AV_PKT_DATA_DISPLAYMATRIX for exporting packet-level
   spatial rendering on video frames for proper display.
 

libavcodec/version.h

@@ -29,7 +29,7 @@
 #include "libavutil/version.h"
 
 #define LIBAVCODEC_VERSION_MAJOR 55
-#define LIBAVCODEC_VERSION_MINOR 52
+#define LIBAVCODEC_VERSION_MINOR 53
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \