runTask: Quote on echo

vars/runTask.groovy

@@ -61,8 +61,8 @@ def call(String task, String branch, String repo, String phpversion, String data
                         }
                     }
 
-                    echo ${env.PATHTORUNNER}
-                    echo ${moodleversion}
+                    echo "${env.PATHTORUNNER}"
+                    echo "${moodleversion}"
                 }
             }