Fix Double to double.

CHANGELOG

@@ -1,3 +1,6 @@
+2019-07-02 Version 1.36.56
+- Fix Double to double.
+
 2019-07-01 Version 1.36.55
 - Support cloud_essd disk category for API CreateDisk, CreateInstance and RunInstances, and support configurating PerformanceLevel when choose cloud_essd.
 - Add ModifyDiskSpec API to support cloud_essd PerformanceLevel modification.

VERSION

@@ -1 +1 @@
-1.36.55
+1.36.56