Expand warning message to note that there are known Java extractor bugs relating to this query

Author: smowton

java/ql/consistency-queries/typeParametersInScope.ql

@@ -49,4 +49,4 @@ TypeVariable getATypeVariableInScope(RefType type) {
 from ClassOrInterface typeUser, TypeVariable outOfScope
 where
   outOfScope = getATypeUsedInClass(typeUser) and not outOfScope = getATypeVariableInScope(typeUser)
-select "Type " + typeUser + " uses out-of-scope type variable " + outOfScope
+select "Type " + typeUser + " uses out-of-scope type variable " + outOfScope + ". Note the Java extractor is known to sometimes do this; the Kotlin extractor should not."