- fix/improvement: the cmd line option '-c' returns -1, no matter if config is

 OK or not, making it difficult to use from start scripts that want to check
 the config first. Now it returns 0 if the config is ok.i
 Patch from Bogdan Pintea <[email protected]>.
Closes SER-336.

main.c

@@ -1626,7 +1626,7 @@ try_again:
 	}
 	if (config_check){
 		fprintf(stderr, "config file ok, exiting...\n");
-		goto error;
+		return 0;
 	}