Add explicit std:: namespace identifier to inline code in irtkUtil.h to silence Eclipse warnings.
Add explicit std:: namespace identifier to inline code in irtkUtil.h to silence Eclipse warnings.

ghisvail/irtk-legacy,BioMedIA/IRTK,BioMedIA/irtk-legacy,ghisvail/irtk-legacy,ghisvail/irtk-legacy,BioMedIA/IRTK,BioMedIA/irtk-legacy,BioMedIA/irtk-legacy,sk1712/IRTK,sk1712/IRTK,BioMedIA/IRTK,ghisvail/irtk-legacy,sk1712/IRTK,BioMedIA/irtk-legacy,sk1712/IRTK,BioMedIA/IRTK