Merge pull request #1756 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@373c45a59fbaa2b15e77408425205b158352480e
-1.651.2-alpine: git://github.com/jenkinsci/jenkins-ci.org-docker@373c45a59fbaa2b15e77408425205b158352480e
+alpine: git://github.com/jenkinsci/jenkins-ci.org-docker@cc3b1ab0341bebb55c9dded4190d45a3e24d359c
+1.651.2-alpine: git://github.com/jenkinsci/jenkins-ci.org-docker@cc3b1ab0341bebb55c9dded4190d45a3e24d359c