lavc: increase major version to 54.

The lavf-ffm test results change because ffmenc writes
AVCodecContext.flags/flags2 and the defaults for those change.

doc/APIchanges

@@ -2,7 +2,7 @@ Never assume the API of libav* to be stable unless at least 1 month has passed
 since the last major version increase.
 
 The last version increases were:
-libavcodec:  2011-04-18
+libavcodec:  2012-01-27
 libavdevice: 2011-04-18
 libavfilter: 2011-04-18
 libavformat: 2011-04-18

libavcodec/version.h

@@ -20,8 +20,8 @@
 #ifndef AVCODEC_VERSION_H
 #define AVCODEC_VERSION_H
 
-#define LIBAVCODEC_VERSION_MAJOR 53
-#define LIBAVCODEC_VERSION_MINOR 36
+#define LIBAVCODEC_VERSION_MAJOR 54
+#define LIBAVCODEC_VERSION_MINOR  0
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \

tests/ref/lavf/ffm

-bf46c0b53fc318d0a60fa9bf446b2e4f *./tests/data/lavf/lavf.ffm
+4ef091d638bb20b8eaef5b3a0d6f97b7 *./tests/data/lavf/lavf.ffm
 376832 ./tests/data/lavf/lavf.ffm
 ./tests/data/lavf/lavf.ffm CRC=0xf361ed74