Add dep of MBEDTLS_SSL_CID on MBEDTLS_SSL_PROTO_DTLS to config check
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index b86e580..3e97c8d 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -591,6 +591,11 @@
 #error "MBEDTLS_SSL_DTLS_ANTI_REPLAY  defined, but not all prerequisites"
 #endif
 
+#if defined(MBEDTLS_SSL_CID) &&                              \
+    ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
+#error "MBEDTLS_SSL_CID  defined, but not all prerequisites"
+#endif
+
 #if defined(MBEDTLS_SSL_DTLS_BADMAC_LIMIT) &&                              \
     ( !defined(MBEDTLS_SSL_TLS_C) || !defined(MBEDTLS_SSL_PROTO_DTLS) )
 #error "MBEDTLS_SSL_DTLS_BADMAC_LIMIT  defined, but not all prerequisites"