defined why2_get_chat* rsa stuff fns

src/chat/crypto.c

@@ -125,4 +125,14 @@ void why2_chat_deallocate_keys(void)
 {
     why2_deallocate(rsa_modulus);
     why2_deallocate(rsa_d);
+}
+
+char *why2_get_chat_modulus(void)
+{
+    return rsa_modulus;
+}
+
+char *why2_get_chat_d(void)
+{
+    return rsa_d;
 }