Change justification to "too late"

so that is really a bug…but not one that we can 
fix compatibly now (since builds may be running 
across the upgrade).

Co-authored-by: Jesse Glick <[email protected]>

Author: MarkEWaite

lib/src/main/java/com/cloudbees/groovy/cps/impl/NotBlock.java

@@ -34,7 +34,7 @@ public Next receive(Object o) {
         return new ContinuationImpl(e, k).then(b, e, cast);
     }
 
-    @SuppressFBWarnings(value = "SIC_INNER_SHOULD_BE_STATIC", justification = "Common Jenkins pattern that inner classses are not static.")
+    @SuppressFBWarnings(value = "SIC_INNER_SHOULD_BE_STATIC", justification = "Too late to fix compatibly.")
     class ContinuationImpl extends ContinuationGroup {
         final Continuation k;
         final Env e;