solana: log sequence number

Untested: )
Change-Id: If6ff5b1b3b8199d6d8658aea8f3f0babc75b6989

solana/bridge/program/src/api/post_message.rs

@@ -124,6 +124,8 @@ pub fn post_message(
             .create(&(&*accs).into(), ctx, accs.payer.key, Exempt)?;
     }
 
+	trace!("Sequence: {}", accs.sequence.sequence);
+
     // Initialize transfer
     trace!("Setting Message Details");
     accs.message.submission_time = accs.clock.unix_timestamp as u32;