fix compilation error

Reviewed-by: NTim Hudson <tjh@openssl.org>

ssl/d1_srvr.c

@@ -480,7 +480,7 @@ int dtls1_accept(SSL *s)
 
 			/* only send if a DH key exchange or
 			 * RSA but we have a sign only certificate */
-			if (
+			if (0
 			/* PSK: send ServerKeyExchange if PSK identity
 			 * hint if provided */
 #ifndef OPENSSL_NO_PSK

ssl/s3_srvr.c

@@ -471,7 +471,7 @@ int ssl3_accept(SSL *s)
 			 * server certificate contains the server's
 			 * public key for key exchange.
 			 */
-			if (
+			if (0
 			/* PSK: send ServerKeyExchange if PSK identity
 			 * hint if provided */
 #ifndef OPENSSL_NO_PSK