Fix libwebm bindings.

Lbiwebm added support for Duration on Blocks. The was needed for
Opus.

Change-Id: I549671da1318d0060d018195e76c704d24b55719
diff --git a/JNI/webm/mkvparser/Block.cc b/JNI/webm/mkvparser/Block.cc
index a8ffdb0..0d14704 100644
--- a/JNI/webm/mkvparser/Block.cc
+++ b/JNI/webm/mkvparser/Block.cc
@@ -67,8 +67,8 @@
 }
 
 FUNCTION(jlong, newBlock, jlong start, jlong size) {
-  jlong jBlock =
-      reinterpret_cast<jlong>(new (std::nothrow) mkvparser::Block(start, size));
+  jlong jBlock = reinterpret_cast<jlong>(
+      new (std::nothrow) mkvparser::Block(start, size, 0));
   return jBlock;
 }
 
diff --git a/JNI/webm/mkvparser/BlockGroup.cc b/JNI/webm/mkvparser/BlockGroup.cc
index 9fbcdc0..a49a253 100644
--- a/JNI/webm/mkvparser/BlockGroup.cc
+++ b/JNI/webm/mkvparser/BlockGroup.cc
@@ -55,7 +55,7 @@
   mkvparser::Cluster* cluster = reinterpret_cast<mkvparser::Cluster*>(jCluster);
   jlong jBlockGroup =
       reinterpret_cast<jlong>(new (std::nothrow) mkvparser::BlockGroup(
-          cluster, index, blockStart, blockSize, previous, next, duration));
+          cluster, index, blockStart, blockSize, previous, next, duration, 0));
   return jBlockGroup;
 }