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/cmCTestUpdateHandler.h b/Source/CTest/cmCTestUpdateHandler.h
index 5e7237c..0f51d3f 100644
--- a/Source/CTest/cmCTestUpdateHandler.h
+++ b/Source/CTest/cmCTestUpdateHandler.h
@@ -23,7 +23,7 @@ public:
   /*
    * The main entry point for this class
    */
-  int ProcessHandler() CM_OVERRIDE;
+  int ProcessHandler() override;
 
   cmCTestUpdateHandler();
 
@@ -42,7 +42,7 @@ public:
   /**
    * Initialize handler
    */
-  void Initialize() CM_OVERRIDE;
+  void Initialize() override;
 
 private:
   // Some structures needed for update