change variable name

Author: gabriel

server/src/main/java/com/cloud/resource/ResourceManagerImpl.java

@@ -2828,7 +2828,7 @@ public List<HypervisorType> getSupportedHypervisorTypes(final long zoneId, final
 
     @Override
     public HypervisorType getDefaultHypervisor(final long zoneId) {
-        HypervisorType defaultHyper = HypervisorType.getType(ResourceManager.SystemVMDefaultHypervisor.value());
+        HypervisorType systemVMDefaultHypervisor = HypervisorType.getType(ResourceManager.SystemVMDefaultHypervisor.value());
 
         final DataCenterVO dc = _dcDao.findById(zoneId);
         if (dc == null) {
@@ -2837,27 +2837,27 @@ public HypervisorType getDefaultHypervisor(final long zoneId) {
         _dcDao.loadDetails(dc);
         final String defaultHypervisorInZone = dc.getDetail("defaultSystemVMHypervisorType");
         if (defaultHypervisorInZone != null) {
-            defaultHyper = HypervisorType.getType(defaultHypervisorInZone);
+            systemVMDefaultHypervisor = HypervisorType.getType(defaultHypervisorInZone);
         }
 
         final List<VMTemplateVO> systemTemplates = _templateDao.listAllSystemVMTemplates();
         boolean isValid = false;
         for (final VMTemplateVO template : systemTemplates) {
-            if (template.getHypervisorType() == defaultHyper) {
+            if (template.getHypervisorType() == systemVMDefaultHypervisor) {
                 isValid = true;
                 break;
             }
         }
 
         if (isValid) {
-            final List<ClusterVO> clusters = _clusterDao.listByDcHyType(zoneId, defaultHyper.toString());
+            final List<ClusterVO> clusters = _clusterDao.listByDcHyType(zoneId, systemVMDefaultHypervisor.toString());
             if (clusters.isEmpty()) {
                 isValid = false;
             }
         }
 
         if (isValid) {
-            return defaultHyper;
+            return systemVMDefaultHypervisor;
         } else {
             return HypervisorType.None;
         }