Prevent warnings building without elements support

Author: jgriffiths

src/transaction.c

@@ -1856,7 +1856,9 @@ static inline int tx_to_bip143_bytes(const struct wally_tx *tx,
     size_t i, inputs_size, outputs_size, rangeproof_size = 0, issuances_size = 0, buff_len = sizeof(buff);
     size_t is_elements = 0;
     const bool anyonecanpay = opts->sighash & WALLY_SIGHASH_ANYONECANPAY;
+#ifdef BUILD_ELEMENTS
     const bool sh_rangeproof = opts->sighash & WALLY_SIGHASH_RANGEPROOF;
+#endif
     const bool sh_none = (opts->sighash & SIGHASH_MASK) == WALLY_SIGHASH_NONE;
     const bool sh_single = (opts->sighash & SIGHASH_MASK) == WALLY_SIGHASH_SINGLE;
     unsigned char *p = bytes_out, *output_p;
@@ -2103,7 +2105,9 @@ static int tx_to_bytes(const struct wally_tx *tx,
 {
     size_t n, i, j, witness_count;
     const bool anyonecanpay = opts && opts->sighash & WALLY_SIGHASH_ANYONECANPAY;
+#ifdef BUILD_ELEMENTS
     const bool sh_rangeproof = opts && opts->sighash & WALLY_SIGHASH_RANGEPROOF;
+#endif
     const bool sh_none = opts && (opts->sighash & SIGHASH_MASK) == WALLY_SIGHASH_NONE;
     const bool sh_single = opts && (opts->sighash & SIGHASH_MASK) == WALLY_SIGHASH_SINGLE;
     unsigned char *p = bytes_out;