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, 1 insertions, 1 deletions

diff --git a/Source/cmGlobalVisualStudioGenerator.h b/Source/cmGlobalVisualStudioGenerator.h
index 399b6e0..62bfd3b 100644
--- a/Source/cmGlobalVisualStudioGenerator.h
+++ b/Source/cmGlobalVisualStudioGenerator.h
@@ -118,7 +118,7 @@ public:
   };
   class OrderedTargetDependSet;
 
-  bool FindMakeProgram(cmMakefile*) CM_OVERRIDE;
+  bool FindMakeProgram(cmMakefile*) override;
 
   virtual std::string ExpandCFGIntDir(const std::string& str,
                                       const std::string& config) const;