iconPath: replace os.Sep with "-"
iconPath: replace os.Sep with "-"

This changes the icon mimetype
from
    application/vnd.google-apps.document
to
    application-vnd.google-apps.document
otherwise any presence of the os.Sep would
clash with the path on the file system.

sselph/drive,aeppert/drive,cacack/drive,sjfloat/drive,fgrosse/drive,Laeeth/drive,dzhsurf/drive,hidehide55/drive,sselph/drive,Dedsec01/drive,Qbitz/drive,miguelinux/drive,FreedomBen/drive,pefoley2/drive,cacack/drive,Dedsec01/drive,pefoley2/drive,PseudoAj/drive,brianjking/drive,wadtech/drive,Qbitz/drive,shaunstanislaus/drive,hatchling/drive,mralexgray/drive,Laeeth/drive,shaunstanislaus/drive,gdm85/drive,odeke-em/drive,OldDragon2A/drive,mralexgray/drive,sjfloat/drive,orinocoz/drive,js-ojus/drive,gccpacman/drive,brianjking/drive,FreedomBen/drive,wadtech/drive,stffrdhrn/drive,hidehide55/drive,gccpacman/drive,hatchling/drive,fgrosse/drive,OldDragon2A/drive,orinocoz/drive,js-ojus/drive,odeke-em/drive,tom-saunders/drive,dzhsurf/drive,stffrdhrn/drive,miguelinux/drive,tom-saunders/drive,PseudoAj/drive,aeppert/drive,gdm85/drive