SAPI_RAW_CHECK expects NUL-terminated strings

PiperOrigin-RevId: 586244294
Change-Id: I85492eb2f4833a1b31312981265ad3d715dfaa72
diff --git a/sandboxed_api/sandbox2/global_forkclient.cc b/sandboxed_api/sandbox2/global_forkclient.cc
index 8a6231e..b014931 100644
--- a/sandboxed_api/sandbox2/global_forkclient.cc
+++ b/sandboxed_api/sandbox2/global_forkclient.cc
@@ -271,7 +271,7 @@
                  "already running");
   absl::StatusOr<std::unique_ptr<GlobalForkClient>> forkserver =
       StartGlobalForkServer();
-  SAPI_RAW_CHECK(forkserver.ok(), forkserver.status().message().data());
+  SAPI_RAW_CHECK(forkserver.ok(), forkserver.status().ToString().c_str());
   instance_ = forkserver->release();
 }