try to restore STDOUT

Signed-off-by: Jeff Carr <jcarr@wit.com>

output.go

@@ -21,3 +21,9 @@ func SetTmp() {
 	golanglog.SetOutput(f)
 	golanglog.Println("This is a test log entry")
 }
+
+// start writing all the logging to a tmp file
+func UnsetTmp() {
+	golanglog.SetOutput(os.Stdout)
+	golanglog.Println("This is a test log entry")
+}