Update 'DebIMG.jenkinsfile'

DebIMG.jenkinsfile

@@ -1,4 +1,4 @@
-String[] ImgVariantList = ['minmal', 'default', 'jenkinsbuilder' 'imgbuilder', 'jenkins' ]
+String[] ImgVariantList = ['minmal', 'default', 'jenkinsbuilder', 'imgbuilder', 'jenkins' ]
 
 pipeline {
     agent { label 'LXCBuilder' }
@@ -47,4 +47,5 @@ pipeline {
             //cleanWs()
             }
         }
-    }
+    }
+}