Skip ssh1 specfic ciphers.

cipher-3des1.c and cipher-bf1.c are specific to sshv1 so don't even try
to compile them when Protocol 1 is not enabled.

cipher-3des1.c

@@ -20,6 +20,8 @@
 
 #include "includes.h"
 
+#ifdef WITH_SSH1
+
 #include <sys/types.h>
 #include <string.h>
 #include <openssl/evp.h>
@@ -153,3 +155,4 @@ evp_ssh1_3des(void)
 	ssh1_3des.flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH;
 	return &ssh1_3des;
 }
+#endif /* WITH_SSH1 */

cipher-bf1.c

@@ -20,6 +20,7 @@
 
 #include "includes.h"
 
+#ifdef WITH_SSH1
 #if defined(WITH_OPENSSL) && !defined(OPENSSL_NO_BF)
 
 #include <sys/types.h>
@@ -101,3 +102,5 @@ evp_ssh1_bf(void)
 	return (&ssh1_bf);
 }
 #endif /* defined(WITH_OPENSSL) && !defined(OPENSSL_NO_BF) */
+
+#endif /* WITH_SSH1 */