// Those global string that are return by reference everywhere in gdcm code
// used to be in gdcmCommon.h but due to a 'bug' in gcc/MacOSX
// you cannot have static initialization in a multithreaded environment
// Those global string that are return by reference everywhere in gdcm code
// used to be in gdcmCommon.h but due to a 'bug' in gcc/MacOSX
// you cannot have static initialization in a multithreaded environment