Prevents crash due to object disposed exception closing log file.
Prevents crash due to object disposed exception closing log file.

huguesv/PTVS,zooba/PTVS,huguesv/PTVS,zooba/PTVS,Microsoft/PTVS,int19h/PTVS,Microsoft/PTVS,zooba/PTVS,int19h/PTVS,int19h/PTVS,zooba/PTVS,zooba/PTVS,int19h/PTVS,huguesv/PTVS,huguesv/PTVS,huguesv/PTVS,zooba/PTVS,int19h/PTVS,Microsoft/PTVS,Microsoft/PTVS,Microsoft/PTVS,huguesv/PTVS,int19h/PTVS,Microsoft/PTVS