HDFS-12941. Ozone: ConfServlet does not trim values during the description parsing. Contributed by Elek, Marton.

hadoop-hdfs-project/hadoop-hdfs/src/main/resources/ozone-default.xml

@@ -1220,7 +1220,7 @@
   </property>
 
   <property>
-    <name>ozone.open.key.expire.threshold </name>
+    <name>ozone.open.key.expire.threshold</name>
     <value>86400</value>
     <tag>OZONE, KSM, PERFORMANCE</tag>
     <description>