Fix targetDir variable naming

Change-Id: Ie73b29e03c17f13fb6a773c184f4907d165608c8
diff --git a/vars/gitSSHCheckout.groovy b/vars/gitSSHCheckout.groovy
index 7096c61..6f52d9b 100644
--- a/vars/gitSSHCheckout.groovy
+++ b/vars/gitSSHCheckout.groovy
@@ -5,7 +5,7 @@
   body.delegate = config
   body()
 
-  def target_dir = config.target_dir ?: "./"
+  def targetDir = config.targetDir ?: "./"
   def port = config.port ?: "29418"
 
   stage("Git Checkout"){
@@ -15,7 +15,7 @@
         branches: [[name: "${config.branch}"]],
         extensions: [
           [$class: 'CleanCheckout'],
-          [$class: 'RelativeTargetDirectory', relativeTargetDir: "${target_dir}"]
+          [$class: 'RelativeTargetDirectory', relativeTargetDir: "${targetDir}"]
         ],
         userRemoteConfigs: [[
           credentialsId: "${config.credentialsId}",
diff --git a/vars/gitSSHCheckout.txt b/vars/gitSSHCheckout.txt
index 087d018..47bf702 100644
--- a/vars/gitSSHCheckout.txt
+++ b/vars/gitSSHCheckout.txt
@@ -1,6 +1,6 @@
 // Default parameters
 
-  target_dir = "./"
+  targetDir = "./"
   port = "29418"
 
 // Usage example
@@ -21,7 +21,7 @@
     branch = "mcp-0.1"
     host = "ci.mcp-ci.local"
     project = "projectcalico/calico-containers"
-    target_dir = "some_directory"
+    targetDir = "some_directory"
   }
 }