MTP: Fix typo in MtpServer::doGetObjectPropList

Change-Id: Ia5fec45a238c49a6797a4ac55457ddb5d6521408
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/media/mtp/MtpServer.cpp b/media/mtp/MtpServer.cpp
index b841bf3..c3755f3 100644
--- a/media/mtp/MtpServer.cpp
+++ b/media/mtp/MtpServer.cpp
@@ -539,7 +539,7 @@
     MtpObjectFormat format = mRequest.getParameter(2);
     MtpDeviceProperty property = mRequest.getParameter(3);
     int groupCode = mRequest.getParameter(4);
-    int depth = mRequest.getParameter(4);
+    int depth = mRequest.getParameter(5);
    LOGD("GetObjectPropList %d format: %s property: %s group: %d depth: %d\n",
             handle, MtpDebug::getFormatCodeName(format),
             MtpDebug::getObjectPropCodeName(property), groupCode, depth);