Changes to add libcore.io.StructGroupSourceReq

This change is related to
https://android-review.googlesource.com/#/c/81324/
- both must be merged at the same time to avoid a
build break.

Change-Id: Id7cc97a368c7eca5901c3d0fa45d2b4962f99ac1
diff --git a/JniConstants.cpp b/JniConstants.cpp
index d6ac62d..bc854bd 100644
--- a/JniConstants.cpp
+++ b/JniConstants.cpp
@@ -65,6 +65,7 @@
 jclass JniConstants::structAddrinfoClass;
 jclass JniConstants::structFlockClass;
 jclass JniConstants::structGroupReqClass;
+jclass JniConstants::structGroupSourceReqClass;
 jclass JniConstants::structLingerClass;
 jclass JniConstants::structPasswdClass;
 jclass JniConstants::structPollfdClass;
@@ -128,6 +129,7 @@
     structAddrinfoClass = findClass(env, "libcore/io/StructAddrinfo");
     structFlockClass = findClass(env, "libcore/io/StructFlock");
     structGroupReqClass = findClass(env, "libcore/io/StructGroupReq");
+    structGroupSourceReqClass = findClass(env, "libcore/io/StructGroupSourceReq");
     structLingerClass = findClass(env, "libcore/io/StructLinger");
     structPasswdClass = findClass(env, "libcore/io/StructPasswd");
     structPollfdClass = findClass(env, "libcore/io/StructPollfd");