Merge pull request #1750 from carlossg/jenkins

Jenkins alpine 1.651.2 was pointing to 1.651.1 image

library/jenkins

@@ -5,5 +5,5 @@
 latest: git://github.com/jenkinsci/jenkins-ci.org-docker@373c45a59fbaa2b15e77408425205b158352480e
 1.651.2: git://github.com/jenkinsci/jenkins-ci.org-docker@373c45a59fbaa2b15e77408425205b158352480e
 
-alpine: git://github.com/jenkinsci/jenkins-ci.org-docker@bf76339b2a65acb309bcdc472cfcc9306eeb45f3
-1.651.2-alpine: git://github.com/jenkinsci/jenkins-ci.org-docker@bf76339b2a65acb309bcdc472cfcc9306eeb45f3
+alpine: git://github.com/jenkinsci/jenkins-ci.org-docker@373c45a59fbaa2b15e77408425205b158352480e
+1.651.2-alpine: git://github.com/jenkinsci/jenkins-ci.org-docker@373c45a59fbaa2b15e77408425205b158352480e