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/cmCPackProductBuildGenerator.h b/Source/CPack/cmCPackProductBuildGenerator.h
index 984dcaa..015fe4a 100644
--- a/Source/CPack/cmCPackProductBuildGenerator.h
+++ b/Source/CPack/cmCPackProductBuildGenerator.h
@@ -25,12 +25,12 @@ public:
    * Construct generator
    */
   cmCPackProductBuildGenerator();
-  ~cmCPackProductBuildGenerator() CM_OVERRIDE;
+  ~cmCPackProductBuildGenerator() override;
 
 protected:
-  int InitializeInternal() CM_OVERRIDE;
-  int PackageFiles() CM_OVERRIDE;
-  const char* GetOutputExtension() CM_OVERRIDE { return ".pkg"; }
+  int InitializeInternal() override;
+  int PackageFiles() override;
+  const char* GetOutputExtension() override { return ".pkg"; }
 
   // Run ProductBuild with the given command line, which will (if
   // successful) produce the given package file. Returns true if