Use localtime for logfile calculations.

Otherwise, I'll see logs for the next day (after 8PM),
which will be unexpected.

hharry.cpp

@@ -385,7 +385,7 @@ int main(int argc, char *argv[]) {
 
     time_t now = time(NULL);
     struct tm *tmp;
-    tmp = gmtime(&now);
+    tmp = localtime(&now);
     // tmp->tm_mon
 
     buffer << "horrible-harry-" << tmp->tm_year + 1900 << "-"