networkorchestrator: Fix typo in exception message (#4559)

Author: davidjumani

engine/orchestration/src/main/java/org/apache/cloudstack/engine/orchestration/NetworkOrchestrator.java

@@ -2352,7 +2352,7 @@ private Network createGuestNetwork(final long networkOfferingId, final String na
         // Validate network offering
         if (ntwkOff.getState() != NetworkOffering.State.Enabled) {
             // see NetworkOfferingVO
-            final InvalidParameterValueException ex = new InvalidParameterValueException("Can't use specified network offering id as its stat is not " + NetworkOffering.State.Enabled);
+            final InvalidParameterValueException ex = new InvalidParameterValueException("Can't use specified network offering id as its state is not " + NetworkOffering.State.Enabled);
             ex.addProxyObject(ntwkOff.getUuid(), "networkOfferingId");
             throw ex;
         }