max_items reading is fixed (#612)

OF-1157

src/java/org/jivesoftware/openfire/commands/admin/GetListActiveUsers.java

@@ -69,7 +69,7 @@ public class GetListActiveUsers extends AdHocCommand {
 	public void execute(SessionData data, Element command) {
         String max_items = data.getData().get("max_items").get(0);
         int maxItems = -1;
-        if (max_items != null && "none".equals(max_items)) {
+        if (max_items != null && !"none".equals(max_items)) {
             try {
                 maxItems = Integer.parseInt(max_items);
             }

src/java/org/jivesoftware/openfire/commands/admin/GetUsersPresence.java

@@ -73,7 +73,7 @@ public class GetUsersPresence extends AdHocCommand {
 	public void execute(SessionData data, Element command) {
         String max_items = data.getData().get("max_items").get(0);
         int maxItems = -1;
-        if (max_items != null && "none".equals(max_items)) {
+        if (max_items != null && !"none".equals(max_items)) {
             try {
                 maxItems = Integer.parseInt(max_items);
             }

src/java/org/jivesoftware/openfire/commands/admin/group/GetListGroups.java

@@ -99,7 +99,7 @@ public class GetListGroups extends AdHocCommand {
             }
         }
         int maxItems = 100000;
-        if (max_items != null && "none".equals(max_items)) {
+        if (max_items != null && !"none".equals(max_items)) {
             try {
                 maxItems = Integer.parseInt(max_items);
             }