fix missing depends for sntrup761x25519-sha512

fixes 440b7b5 "Add sntrup761x25519-sha512 post-quantum key exchange"

Signed-off-by: Konstantin Demin <[email protected]>

Author: rockdrilla

src/sysoptions.h

@@ -207,7 +207,7 @@
 /* LTC SHA384 depends on SHA512 */
 #define DROPBEAR_SHA512 ((DROPBEAR_SHA2_512_HMAC) || (DROPBEAR_ECC_521) \
 			|| (DROPBEAR_SHA384) || (DROPBEAR_DH_GROUP16) \
-			|| (DROPBEAR_ED25519))
+			|| (DROPBEAR_ED25519) || (DROPBEAR_SNTRUP761))
 
 #define DROPBEAR_DH_GROUP14 ((DROPBEAR_DH_GROUP14_SHA256) || (DROPBEAR_DH_GROUP14_SHA1))