putenv() is more portable than setenv().

git-svn-id: http://svn.xiph.org/trunk/ao@5201 0101bb08-14d6-0310-b084-bc0e0c8e3800

src/plugins/esd/ao_esd.c

@@ -61,7 +61,7 @@ int ao_plugin_test()
 	int sock;
 
 	/* don't wake up the beast while detecting */
-	setenv("ESD_NO_SPAWN", "1", 1); 
+	putenv("ESD_NO_SPAWN=1"); 
 	sock = esd_open_sound(NULL);
 	if (sock < 0)
 		return 0;