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/CPack/cmCPackPKGGenerator.h b/Source/CPack/cmCPackPKGGenerator.h
index aef795f..69286ff 100644
--- a/Source/CPack/cmCPackPKGGenerator.h
+++ b/Source/CPack/cmCPackPKGGenerator.h
@@ -27,13 +27,13 @@ public:
    * Construct generator
    */
   cmCPackPKGGenerator();
-  ~cmCPackPKGGenerator() CM_OVERRIDE;
+  ~cmCPackPKGGenerator() override;
 
-  bool SupportsComponentInstallation() const CM_OVERRIDE;
+  bool SupportsComponentInstallation() const override;
 
 protected:
-  int InitializeInternal() CM_OVERRIDE;
-  const char* GetOutputPostfix() CM_OVERRIDE { return "darwin"; }
+  int InitializeInternal() override;
+  const char* GetOutputPostfix() override { return "darwin"; }
 
   // Copies or creates the resource file with the given name to the
   // package or package staging directory dirName. The variable