Fix boolean assignment for groovy, values should be true/false not True/False

Change-Id: I0624705901ab4a93e0f4c6fb1de954c62a77fe2a
diff --git a/vars/pgrep_proc.groovy b/vars/pgrep_proc.groovy
index 9559ce6..a1d49e5 100644
--- a/vars/pgrep_proc.groovy
+++ b/vars/pgrep_proc.groovy
@@ -66,10 +66,10 @@
 (
     String  proc,           // name of process or arguments to terminate
     Map     args=[:],
-    Boolean filler=True     // Groovy, why special case list comma handling (?)
+    Boolean filler = true     // Groovy, why special case list comma handling (?)
 ) {
     String iam = getIam('main')
-    Boolean ans = True
+    Boolean ans = true
 
     println("** ${iam}: ENTER")