fix

src/org/SHS/SDK.groovy

@@ -21,7 +21,7 @@ class SDK {
 		//steps.print("Finally")
 		//steps.print("file: /${steps.env.SHSSDK_DIR}/platforms.json")
 		
-		def taglist = sh(script: "cd \"${steps.env.SHSSDK_DIR}\" && ls -1d */", returnStdout: true).trim().split('\n')
+		def taglist = steps.sh(script: "cd \"${steps.env.SHSSDK_DIR}\" && ls -1d */", returnStdout: true).trim().split('\n')
         for (tag in taglist) {
 			if (!f.startsWith('v') || !f.endsWith('/')) continue
 			try {