Copy wkhtmltopdf lib files to build dir: fixed

mage_helpers/build.go

@@ -73,7 +73,7 @@ func Build(dir string, module string, isDebug bool) error {
 	wkhtmltopdfDir := currentDir + "/cdk/src/lambda/wkhtmltopdf"
 	_, err = os.Stat(wkhtmltopdfDir)
 	if err == nil {
-		err = copyFilesToBuildDir(wkhtmltopdfDir, outputDir+"/wkhtmltopdf", true)
+		err = copyFilesToBuildDir(wkhtmltopdfDir, outputDir, true)
 		if err != nil {
 			return err
 		}