priv: Move gcrypt functions to gcrypt header.

include/libssh/libgcrypt.h

@@ -43,6 +43,10 @@ typedef gcry_md_hd_t HMACCTX;
 
 typedef gcry_mpi_t bignum;
 
+/* missing gcrypt functions */
+int my_gcry_dec2bn(bignum *bn, const char *data);
+char *my_gcry_bn2dec(bignum bn);
+
 #define bignum_new() gcry_mpi_new(0)
 #define bignum_free(num) gcry_mpi_release(num)
 #define bignum_set_word(bn,n) gcry_mpi_set_ui(bn,n)
@@ -59,7 +63,6 @@ typedef gcry_mpi_t bignum;
 #define bignum_bn2bin(num,datalen,data) gcry_mpi_print(GCRYMPI_FMT_USG,data,datalen,NULL,num)
 #define bignum_cmp(num1,num2) gcry_mpi_cmp(num1,num2)
 
-
 #endif /* HAVE_LIBGCRYPT */
 
 struct ssh_cipher_struct *ssh_get_ciphertab(void);

include/libssh/priv.h

@@ -265,11 +265,5 @@ SSH_PACKET_CALLBACK(ssh_packet_kexdh_init);
  */
 #define discard_const_p(type, ptr) ((type *)discard_const(ptr))
 
-#ifdef HAVE_LIBGCRYPT
-/* gcrypt_missing.c */
-int my_gcry_dec2bn(bignum *bn, const char *data);
-char *my_gcry_bn2dec(bignum bn);
-#endif /* !HAVE_LIBGCRYPT */
-
 #endif /* _LIBSSH_PRIV_H */
 /* vim: set ts=4 sw=4 et cindent: */

src/gcrypt_missing.c

@@ -22,7 +22,9 @@
  */
 
 #include <stdlib.h>
+
 #include "libssh/priv.h"
+#include "libssh/libgcrypt.h"
 
 #ifdef HAVE_LIBGCRYPT
 int my_gcry_dec2bn(bignum *bn, const char *data) {