Fix another typo

Change-Id: I0e7147254b3a7dcae24e12581ba7c9427c173cf4
diff --git a/cicd/pipelines/tasks/task_publish_unstable.jenkins b/cicd/pipelines/tasks/task_publish_unstable.jenkins
index 83521bc..70fd254 100644
--- a/cicd/pipelines/tasks/task_publish_unstable.jenkins
+++ b/cicd/pipelines/tasks/task_publish_unstable.jenkins
@@ -15,11 +15,11 @@
 }
 
 String getKeygripId() {
-    def script = """
+    def script = '''
         gpg --no-default-keyring --keyring=release-keyring.gpg --with-colons --list-secret-keys \
-        | awk -F: '$1 == "grp" { print $10 }' \                                                                                       
+        | awk -F: '$1 == "grp" { print $10 }' \
         | head -n1
-    """
+    '''
 
     return sh(returnStdout: true, script: script).trim()
 }