Rename variable

Co-authored-by: dahn <[email protected]>

Author: GutoVeronezi

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

@@ -1784,8 +1784,8 @@ public Answer createSnapshot(final CreateObjectCommand cmd) {
                     }
                 } else {
                     snapshotPath = getSnapshotPathInPrimaryStorage(primaryPool.getLocalPath(), snapshotName);
-                    String copyResult = convertBaseFileToSnapshotFileInPrimaryStorageDir(primaryPool, diskPath, snapshotPath, volume, cmd.getWait());
-                    validateConvertResult(copyResult, snapshotPath);
+                    String convertResult = convertBaseFileToSnapshotFileInPrimaryStorageDir(primaryPool, diskPath, snapshotPath, volume, cmd.getWait());
+                    validateConvertResult(convertResult, snapshotPath);
                 }
             }