ENH: Expose ConvertToUnixOutputPath

SystemTools.hxx.in

@@ -653,13 +653,14 @@ public:
    */
   static kwsys_stl::string GetOperatingSystemNameAndVersion();
 
-protected:
-  // these two functions can be called from ConvertToOutputPath
   /**
    * Convert the path to a string that can be used in a unix makefile.
    * double slashes are removed, and spaces are escaped.
    */
   static kwsys_stl::string ConvertToUnixOutputPath(const char*);
+
+protected:
+  // these two functions can be called from ConvertToOutputPath
   
   /**
    * Convert the path to string that can be used in a windows project or