Quote PATH (#6948)
Quote PATH (#6948)

Should be done regardless, not sure why it was in base but not in front, but also somewhat related to #6354 and #6947. Otherwise a value like `c/Program Files (x86)` causes a syntax error.
Markismus/koreader,poire-z/koreader,Hzj-jie/koreader,Frenzie/koreader,poire-z/koreader,koreader/koreader,NiLuJe/koreader,koreader/koreader,pazos/koreader,NiLuJe/koreader,Frenzie/koreader,mwoz123/koreader