Enforced latest version of debian build image

Change-Id: If9fd4dde19aa70b525856d2c99e58944672ceba3
diff --git a/src/com/mirantis/mk/Debian.groovy b/src/com/mirantis/mk/Debian.groovy
index 0919b9d..7cf2a1b 100644
--- a/src/com/mirantis/mk/Debian.groovy
+++ b/src/com/mirantis/mk/Debian.groovy
@@ -29,7 +29,7 @@
     def imageArray = image.split(":")
     def os = imageArray[0]
     def dist = imageArray[1]
-    def img = dockerLib.getImage("tcpcloud/debian-build-${os}-${dist}", image)
+    def img = dockerLib.getImage("tcpcloud/debian-build-${os}-${dist}:latest", image)
     def workspace = common.getWorkspace()
 
     img.inside("-u root:root" ) {
@@ -89,7 +89,7 @@
     def imageArray = image.split(":")
     def os = imageArray[0]
     def dist = imageArray[1]
-    def img = dockerLib.getImage("tcpcloud/debian-build-${os}-${dist}", image)
+    def img = dockerLib.getImage("tcpcloud/debian-build-${os}-${dist}:latest", image)
     def workspace = common.getWorkspace()
 
     img.inside("-u root:root" ) {
@@ -120,7 +120,7 @@
     def imageArray = image.split(":")
     def os = imageArray[0]
     def dist = imageArray[1]
-    def img = dockerLib.getImage("tcpcloud/debian-build-${os}-${dist}", image)
+    def img = dockerLib.getImage("tcpcloud/debian-build-${os}-${dist}:latest", image)
 
     img.inside("-u root:root") {
 
@@ -175,7 +175,7 @@
     def imageArray = image.split(":")
     def os = imageArray[0]
     def dist = imageArray[1]
-    def img = dockerLib.getImage("tcpcloud/debian-build-${os}-${dist}", image)
+    def img = dockerLib.getImage("tcpcloud/debian-build-${os}-${dist}:latest", image)
     img.inside("-u root:root") {
         sh("""cd ${workspace} && apt-get update && apt-get install -y lintian &&
             lintian -Ii -E --pedantic --profile=${profile} ${changes}""")