Missing import

Author: abliss

rxjava-core/src/main/java/rx/Observable.java

@@ -40,6 +40,7 @@
 import rx.operators.OperationDefer;
 import rx.operators.OperationDematerialize;
 import rx.operators.OperationFilter;
+import rx.operators.OperationFinally;
 import rx.operators.OperationWhere;
 import rx.operators.OperationMap;
 import rx.operators.OperationMaterialize;