Remove superfluous 'extern' variable that was causing a warning with clang.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91552 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/unittest/googletest/gtest.cc b/utils/unittest/googletest/gtest.cc
index e46e90a..b5a654f 100644
--- a/utils/unittest/googletest/gtest.cc
+++ b/utils/unittest/googletest/gtest.cc
@@ -532,7 +532,7 @@
 
 // The value of GetTestTypeId() as seen from within the Google Test
 // library.  This is solely for testing GetTestTypeId().
-extern const TypeId kTestTypeIdInGoogleTest = GetTestTypeId();
+const TypeId kTestTypeIdInGoogleTest = GetTestTypeId();
 
 // This predicate-formatter checks that 'results' contains a test part
 // failure of the given type and that the failure message contains the