Fix lint errors (#7727)

core/src/test/java/org/apache/cloudstack/api/agent/test/CheckGuestOsMappingCommandTest.java

@@ -43,4 +43,4 @@ public class CheckGuestOsMappingCommandTest {
         assertEquals("centos64Guest", cmd.getGuestOsHypervisorMappingName());
         assertEquals("6.0", cmd.getHypervisorVersion());
     }
-}
+}

plugins/hypervisors/xenserver/src/main/java/com/cloud/hypervisor/xenserver/resource/wrapper/xenbase/CitrixCheckGuestOsMappingCommandWrapper.java

@@ -64,4 +64,4 @@ public final class CitrixCheckGuestOsMappingCommandWrapper extends CommandWrappe
             return new CheckGuestOsMappingAnswer(command, e.getLocalizedMessage());
         }
     }
-}
+}

plugins/hypervisors/xenserver/src/main/java/com/cloud/hypervisor/xenserver/resource/wrapper/xenbase/CitrixGetHypervisorGuestOsNamesCommandWrapper.java

@@ -73,4 +73,4 @@ public final class CitrixGetHypervisorGuestOsNamesCommandWrapper extends Command
             return new GetHypervisorGuestOsNamesAnswer(command, e.getLocalizedMessage());
         }
     }
-}
+}