fix: argument cant contains space

e.g
sudo mklink /J "My Documents" D:\Users\Larvata\Documents
==>
C:\Windows\system32\cmd.exe  /S /D /c" 2>&1 ( mklink /J My Documents D:\Users\Larvata\Documents )"

quotation marks on "My Docuemnts" is missing
Merge pull request #1 from larvata/master

fix: argument can't contain space