message: Fix binlog parser status initialized to be 0
diff: #include "include/pika_binlog_transverter.h"
  PikaBinlogParser::PikaBinlogParser()
  - : processed_item_content_len_(kBinlogParserNone) {
  + : processed_item_content_len_(0), parse_status_(kBinlogParserNone) {
  }
  PikaBinlogParser::~PikaBinlogParser() {
  