add an extra space into info

wo/cli/plugins/info.py

@@ -42,7 +42,7 @@ class WOInfoController(CementBaseController):
     def info_nginx(self):
         """Display Nginx information"""
         version = os.popen("nginx -v 2>&1 | awk -F '/' '{print $2}' | "
-                           "awk -F ' ' '{print $1}' | tr -d '\n'").read()
+                           "awk -F ' ' '{print $1}' | tr '\n' ' '").read()
         allow = os.popen("grep ^allow /etc/nginx/common/acl.conf | "
                          "cut -d' ' -f2 | cut -d';' -f1 | tr '\n' ' '").read()
         nc = NginxConfig()