Adds "IWYU pragma: export" to gtest-param-util.h

PiperOrigin-RevId: 628105419
Change-Id: I364e8089b62050c44059e208b610e324eb5a656d
diff --git a/googletest/include/gtest/gtest-param-test.h b/googletest/include/gtest/gtest-param-test.h
index 6847b64..55ee088 100644
--- a/googletest/include/gtest/gtest-param-test.h
+++ b/googletest/include/gtest/gtest-param-test.h
@@ -178,7 +178,7 @@
 #include <utility>
 
 #include "gtest/internal/gtest-internal.h"
-#include "gtest/internal/gtest-param-util.h"
+#include "gtest/internal/gtest-param-util.h"  // IWYU pragma: export
 #include "gtest/internal/gtest-port.h"
 
 namespace testing {