Explicitly include stddef in gtest-param-util
In gcc 4.6.1 (default in an Ubuntu 11.10 environment) stddef is not
implicitly included by including vector (or other libraries included in
this file). This is needed for ptrdiff_t which is used on L123.
Change-Id: Id3e22e4e8155b343acaa5672c570d748270b2dce
diff --git a/include/gtest/internal/gtest-param-util.h b/include/gtest/internal/gtest-param-util.h
index 5559ab4..1c1d119 100644
--- a/include/gtest/internal/gtest-param-util.h
+++ b/include/gtest/internal/gtest-param-util.h
@@ -34,6 +34,7 @@
#ifndef GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
#define GTEST_INCLUDE_GTEST_INTERNAL_GTEST_PARAM_UTIL_H_
+#include <cstddef>
#include <iterator>
#include <utility>
#include <vector>
