Fixing minor issues in *ComponentLogs keywords

Change-Id: I9140edac7db4e644e18b79c6e54294fb96cf68a0
diff --git a/vars/startComponentsLogs.groovy b/vars/startComponentsLogs.groovy
index 954d0b1..4cea1d2 100644
--- a/vars/startComponentsLogs.groovy
+++ b/vars/startComponentsLogs.groovy
@@ -47,7 +47,7 @@
             def tag = "${tagPrefix}-kail-${logFile}"
             println "Starting logging process for label: ${label}"
             sh """
-            _TAG=${tag} kail -l ${label} --since 1h > ${logsDir}/${logFile}.log&
+            _TAG=${tag} kail -l ${label} --since 1h > ${cfg.logsDir}/${logFile}.log&
             """
         }
     }