Fix flexible plugin name

Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Change-Id: Ia9356b415836c05155c0a317bc7f163c5769b903
diff --git a/jessie-amd64-jenkins-master/plugins.txt b/jessie-amd64-jenkins-master/plugins.txt
index e7d2588..93a020c 100644
--- a/jessie-amd64-jenkins-master/plugins.txt
+++ b/jessie-amd64-jenkins-master/plugins.txt
@@ -8,7 +8,7 @@
 ec2:1.53
 email-ext:2.77
 envinject:2.3.0
-flexible:0.15.2
+flexible-publish:0.15.2
 gerrit-trigger:2.30.5
 git:4.4.4
 github-oauth:0.33