Minor fixes from blackngel <blackngel1@gmail.com>
diff --git a/execute_program.c b/execute_program.c
index e8f801a..360bcd0 100644
--- a/execute_program.c
+++ b/execute_program.c
@@ -85,7 +85,7 @@
 		execvp(sp->filename, argv);
 		fprintf(stderr, "Can't execute `%s': %s\n", sp->filename,
 			strerror(errno));
-		exit(1);
+		_exit(1);
 	}
 
 	debug(1, "PID=%d", pid);