Installation on Windows into a directory with a space causes errors

[drcrallen]

Installing RDruid
"D:/Program Files/R/R-3.3.1/bin/x64/R" --no-site-file --no-environ --no-save --no-restore --quiet CMD INSTALL  \
  "C:/Users/CharlesAllen/AppData/Local/Temp/RtmpAzbBzo/devtools2de4790d6462/druid-io-RDruid-7e205cf"  \
  --library="D:/Program Files/R/R-3.3.1/library" --install-tests 

'D:\Program' is not recognized as an internal or external command,
operable program or batch file.
Error: Command failed (1)