Apply by doing:
      cd /usr/src
      patch -p0 < 012_sha512.patch

And then rebuild and install libcrypto:
      cd lib/libssl/crypto/
      make obj
      make
      make install

Index: lib/libssl/src/crypto/sha/sha512.c
===================================================================
RCS file: /cvs/src/lib/libssl/src/crypto/sha/sha512.c,v
retrieving revision 1.1.1.4
diff -u -p -r1.1.1.4 sha512.c
--- lib/libssl/src/crypto/sha/sha512.c	13 Oct 2012 21:23:43 -0000	1.1.1.4
+++ lib/libssl/src/crypto/sha/sha512.c	19 Dec 2013 22:35:17 -0000
@@ -232,7 +232,14 @@ int SHA384_Update (SHA512_CTX *c, const 
 {   return SHA512_Update (c,data,len);   }
 
 void SHA512_Transform (SHA512_CTX *c, const unsigned char *data)
-{   sha512_block_data_order (c,data,1);  }
+       {
+#ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA
+       if ((size_t)data%sizeof(c->u.d[0]) != 0)
+               memcpy(c->u.p,data,sizeof(c->u.p)),
+               data = c->u.p;
+#endif
+       sha512_block_data_order (c,data,1);
+       }
 
 unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md)
 	{