Trivial source code format tweak.

test/gtest_list_tests_unittest_.cc

@@ -40,7 +40,6 @@
 
 #include <gtest/gtest.h>
 
-
 namespace {
 
 // Several different test cases and tests that will be listed.
@@ -79,7 +78,6 @@ TEST(FooDeathTest, Test1) {
 
 }  // namespace
 
-
 int main(int argc, char **argv) {
   testing::InitGoogleTest(&argc, argv);