Change literal '/' string to File.separator

Author: BryanMLima

plugins/hypervisors/kvm/src/main/java/com/cloud/hypervisor/kvm/storage/LibvirtStorageAdaptor.java

@@ -1068,10 +1068,10 @@ private KVMPhysicalDisk createPhysicalDiskByQemuImg(String name, KVMStoragePool
         QemuImgFile destFile;
 
         if (StoragePoolType.RBD.equals(pool.getType())) {
-            volPath = pool.getSourceDir() + "/" + name;
+            volPath = pool.getSourceDir() + File.separator + name;
             destFile = new QemuImgFile(KVMPhysicalDisk.RBDStringBuilder(pool, volPath));
         } else {
-            volPath = pool.getLocalPath() + "/" + name;
+            volPath = pool.getLocalPath() + File.separator + name;
             destFile = new QemuImgFile(volPath);
         }