Merge pull request #375 from github/paladique/fix-exports-crash

Catch File I/O exception in GitHub.Exports

Author: shana

src/GitHub.Exports/Services/Logger.cs

@@ -77,7 +77,13 @@ static async void DefaultLogger(string msg)
             await System.Threading.Tasks.Task.Delay(500);
             lock(fileLock)
             {
-                File.AppendAllText(defaultLogPath, msg, Encoding.UTF8);
+                try
+                {
+                    File.AppendAllText(defaultLogPath, msg, Encoding.UTF8);
+                }
+                catch(Exception)
+                {
+                }
             }
         }
     }