Add a few new generated directories to .gitignore


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@739089 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/.gitignore b/.gitignore
index 78396e1..8b35aa0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,8 @@
 /lib/java/Makefile
 /lib/java/Makefile.in
 /lib/java/build
+/lib/java/gen-java
+/lib/java/gen-javabean
 /lib/java/libthrift.jar
 /lib/py/Makefile
 /lib/py/Makefile.in