mediaplayerservice: initialize mIsWidevine

Bug: 16641557
Change-Id: I77aad6e710117a16093726bf3b36360904fbe148
diff --git a/media/libmediaplayerservice/nuplayer/GenericSource.cpp b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
index d75408d..752dfab 100644
--- a/media/libmediaplayerservice/nuplayer/GenericSource.cpp
+++ b/media/libmediaplayerservice/nuplayer/GenericSource.cpp
@@ -60,7 +60,8 @@
         int fd, int64_t offset, int64_t length)
     : Source(notify),
       mDurationUs(0ll),
-      mAudioIsVorbis(false) {
+      mAudioIsVorbis(false),
+      mIsWidevine(false) {
     DataSource::RegisterDefaultSniffers();
 
     sp<DataSource> dataSource = new FileSource(dup(fd), offset, length);