Backport a -Wsign-compare fix for `ArrayAsVector`vendor/google/googletest

This fixes the build with newer versions of gcc.

Obtained from: [google/googletest#2723](https://github.com/google/googletest/pull/2723)
Submitted-by: [Johan Mabille](https://github.com/JohanMabille)

1 files changed, 1 insertions, 1 deletions

diff --git a/googletest/src/gtest.cc b/googletest/src/gtest.cc
index a5b4e5ac78ca..69f25e6890e5 100644
--- a/googletest/src/gtest.cc
+++ b/googletest/src/gtest.cc
@@ -2108,7 +2108,7 @@ static const char* const kReservedOutputTestCaseAttributes[] = {
     "classname",   "name", "status", "time",   "type_param",
     "value_param", "file", "line",   "result", "timestamp"};
 
-template <int kSize>
+template <size_t kSize>
 std::vector<std::string> ArrayAsVector(const char* const (&array)[kSize]) {
   return std::vector<std::string>(array, array + kSize);
 }