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, 4 insertions, 4 deletions

diff --git a/Source/cmExportLibraryDependenciesCommand.h b/Source/cmExportLibraryDependenciesCommand.h
index 286a3e0..bf5e9bc 100644
--- a/Source/cmExportLibraryDependenciesCommand.h
+++ b/Source/cmExportLibraryDependenciesCommand.h
@@ -15,15 +15,15 @@ class cmExecutionStatus;
 class cmExportLibraryDependenciesCommand : public cmCommand
 {
 public:
-  cmCommand* Clone() CM_OVERRIDE
+  cmCommand* Clone() override
   {
     return new cmExportLibraryDependenciesCommand;
   }
   bool InitialPass(std::vector<std::string> const& args,
-                   cmExecutionStatus& status) CM_OVERRIDE;
+                   cmExecutionStatus& status) override;
 
-  void FinalPass() CM_OVERRIDE;
-  bool HasFinalPass() const CM_OVERRIDE { return true; }
+  void FinalPass() override;
+  bool HasFinalPass() const override { return true; }
 
 private:
   std::string Filename;