pki_crypto: Mark iqmp as unused

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>

include/libssh/priv.h

@@ -302,6 +302,8 @@ int ssh_connector_remove_event(ssh_connector connector);
 void explicit_bzero(void *s, size_t n);
 #endif /* !HAVE_EXPLICIT_BZERO */
 
+#define UNUSED(x) (void)(x)
+
 /**
  * This is a hack to fix warnings. The idea is to use this everywhere that we
  * get the "discarding const" warning by the compiler. That doesn't actually

src/pki_crypto.c

@@ -1053,6 +1053,7 @@ int pki_privkey_build_rsa(ssh_key key,
     bn = ssh_make_string_bn(n);
     be = ssh_make_string_bn(e);
     bd = ssh_make_string_bn(d);
+    UNUSED(iqmp);
     /*biqmp = ssh_make_string_bn(iqmp);*/
     bp = ssh_make_string_bn(p);
     bq = ssh_make_string_bn(q);