Do not use for..in operator for iterate over an array

Change-Id: I2d73e80a313adb8a22488dd8ddaa1034ee4dd7ee
diff --git a/src/workflows/loader.js b/src/workflows/loader.js
index a7bc275..278a144 100644
--- a/src/workflows/loader.js
+++ b/src/workflows/loader.js
@@ -114,9 +114,9 @@
                 // found workflow essence file in json format
                 let workflows = loadWorkflows(dirEntry);
                 if(workflows) {
-                    for(let workflow in workflows) {
+                    workflows.forEach((workflow) => {
                         allWorkflows.push[workflow];
-                    }
+                    });
                 }
             }
         });