-int debug_options_count = nelem(debug_options);
-unsigned debug_pretrigger_bsize= 0;
-uschar * debug_pretrigger_buf = NULL;
-unsigned int debug_selector = 0;
+int debug_options_count = nelem(debug_options);
+uschar debuglog_name[LOG_NAME_SIZE] = {0};
+unsigned debug_pretrigger_bsize = 0;
+uschar * debug_pretrigger_buf = NULL;
+unsigned int debug_selector = 0;