small fix for the file:dirname and file:basename functions under Windows
small fix for the file:dirname and file:basename functions under Windows

28msec/zorba,28msec/zorba,28msec/zorba,cezarfx/zorba,bgarrels/zorba,bgarrels/zorba,cezarfx/zorba,bgarrels/zorba,cezarfx/zorba,cezarfx/zorba,28msec/zorba,28msec/zorba,cezarfx/zorba,cezarfx/zorba,cezarfx/zorba,28msec/zorba,bgarrels/zorba,28msec/zorba,cezarfx/zorba,bgarrels/zorba,bgarrels/zorba,bgarrels/zorba,cezarfx/zorba,28msec/zorba,cezarfx/zorba,28msec/zorba,bgarrels/zorba