added a check for wchar_t to deal with a potential problem with MS compilers
added a check for wchar_t to deal with a potential problem with MS compilers

mjkoo/tclap,mc-server/TCLAP,eile/tclap,xguerin/tclap,xguerin/tclap,eile/tclap,ufz/tclap,mjkoo/tclap,mirror/tclap,bb-generation/tclap,mirror/tclap,xguerin/tclap,mirror/tclap,bb-generation/tclap,mirror/tclap,Qointum/tclap,ufz/tclap,ufz/tclap,bb-generation/tclap,mc-server/TCLAP,eile/tclap,Qointum/tclap,eile/tclap,xguerin/tclap,bb-generation/tclap,Qointum/tclap,mjkoo/tclap,mc-server/TCLAP