tests: Enable CRC test for yuv4mpeg

tests/lavf-regression.sh

@@ -130,7 +130,7 @@ fi
 if [ -n "$do_yuv4mpeg" ] ; then
 file=${outfile}lavf.y4m
 do_avconv $file $DEC_OPTS -f image2 -c:v pgmyuv -i $raw_src $ENC_OPTS -t 1 -qscale 10
-#do_avconv_crc $file -i $target_path/$file
+do_avconv_crc $file -i $target_path/$file
 fi
 
 # image formats

tests/ref/lavf/yuv4mpeg

@@ -1,2 +1,3 @@
 ec8178cb152f9cdbfd9cb724d977db2e *./tests/data/lavf/lavf.y4m
 3801808 ./tests/data/lavf/lavf.y4m
+./tests/data/lavf/lavf.y4m CRC=0x0a941f26