message: Fix version macros to use the correct CMake variables
diff: #define ADIOSCONFIG_H_
  /* ADIOS Version Information */
  -#define ADIOS2_VERSION_MAJOR @ADIOS_VERSION_MAJOR@
  -#define ADIOS2_VERSION_MINOR @ADIOS_VERSION_MINOR@
  -#define ADIOS2_VERSION_PATCH @ADIOS_VERSION_PATCH@
  -#define ADIOS2_VERSION @ADIOS_VERSION@
  +#define ADIOS2_VERSION_MAJOR @ADIOS2_VERSION_MAJOR@
  +#define ADIOS2_VERSION_MINOR @ADIOS2_VERSION_MINOR@
  +#define ADIOS2_VERSION_PATCH @ADIOS2_VERSION_PATCH@
  +#define ADIOS2_VERSION @ADIOS2_VERSION@
  /*
  * ADIOS Build Information:
  