Use C++11 override instead of CM_OVERRIDE

We now require C++11 support including `override`.  Drop use of
the old compatibility macro.  Convert references as follows:

    git grep -l CM_OVERRIDE -- '*.h' '*.hxx' '*.cxx' |
      xargs sed -i 's/CM_OVERRIDE/override/g'

1 files changed, 2 insertions, 2 deletions

diff --git a/Source/CTest/cmCTestBatchTestHandler.h b/Source/CTest/cmCTestBatchTestHandler.h
index 3b58b13..42f87bd 100644
--- a/Source/CTest/cmCTestBatchTestHandler.h
+++ b/Source/CTest/cmCTestBatchTestHandler.h
@@ -17,8 +17,8 @@
 class cmCTestBatchTestHandler : public cmCTestMultiProcessHandler
 {
 public:
-  ~cmCTestBatchTestHandler() CM_OVERRIDE;
-  void RunTests() CM_OVERRIDE;
+  ~cmCTestBatchTestHandler() override;
+  void RunTests() override;
 
 protected:
   void WriteBatchScript();