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, 3 insertions, 3 deletions

diff --git a/Source/CTest/cmCTestCoverageHandler.h b/Source/CTest/cmCTestCoverageHandler.h
index 83eb561..99ac5df 100644
--- a/Source/CTest/cmCTestCoverageHandler.h
+++ b/Source/CTest/cmCTestCoverageHandler.h
@@ -42,16 +42,16 @@ public:
   /*
    * The main entry point for this class
    */
-  int ProcessHandler() CM_OVERRIDE;
+  int ProcessHandler() override;
 
   cmCTestCoverageHandler();
 
-  void Initialize() CM_OVERRIDE;
+  void Initialize() override;
 
   /**
    * This method is called when reading CTest custom file
    */
-  void PopulateCustomVectors(cmMakefile* mf) CM_OVERRIDE;
+  void PopulateCustomVectors(cmMakefile* mf) override;
 
   /** Report coverage only for sources with these labels.  */
   void SetLabelFilter(std::set<std::string> const& labels);