Fix a logging call.

Change-Id: I6c5937b942242819f63b8271c85a6aa41699e12d
Reviewed-on: https://code-review.googlesource.com/c/re2/+/63410
Reviewed-by: Alejandro Sedeño <[email protected]>
Reviewed-by: Paul Wankadia <[email protected]>

Author: junyer

re2/re2.cc

@@ -1050,7 +1050,7 @@ bool RE2::Rewrite(std::string* out,
       out->push_back('\\');
     } else {
       if (options_.log_errors())
-        ABSL_LOG(ERROR) << "invalid rewrite pattern: " << rewrite.data();
+        ABSL_LOG(ERROR) << "invalid rewrite pattern: " << rewrite;
       return false;
     }
   }