chore: fix clippy errors

Author: hrideshmg

src/rust/lib_ccxr/src/encoder/txt_helpers.rs

@@ -282,7 +282,7 @@ pub fn get_str_basic(
         info!("WARNING: Encoding is not yet supported\n");
         out_buffer.clear();
         out_buffer.push(0);
-        return 0;
+        0
     } else {
         out_buffer.push(0);
         return len;