install crc.h which is now part of public API

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@11410 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavutil/Makefile

@@ -25,6 +25,7 @@ HEADERS = adler32.h \
           avutil.h \
           base64.h \
           common.h \
+          crc.h \
           fifo.h \
           integer.h \
           intfloat_readwrite.h \