fix bug

Author: crispheaney

programs/drift/src/instructions/user.rs

@@ -653,7 +653,7 @@ pub fn handle_deposit<'c: 'info, 'info>(
     } else {
         DepositExplanation::None
     };
-    let signer = if ctx.accounts.authority.key() == user.authority {
+    let signer = if ctx.accounts.authority.key() != user.authority {
         Some(ctx.accounts.authority.key())
     } else {
         None