* Makefile.in (nettle_SOURCES): Added hmac-sha224.c and hmac-sha384.c.

* hmac.h: Added declarations of hmac-sha224 and hmac-sha384.

* hmac-sha224.c: New file.

Rev: nettle/ChangeLog:1.65
Rev: nettle/Makefile.in:1.21
Rev: nettle/hmac-sha224.c:1.1
Rev: nettle/hmac.h:1.4