-Werror,-Wuninitialized

Change-Id: I91333f5290c84c6317b85572824be065da9cf64b

oox/source/helper/binarystreambase.cxx

@@ -54,7 +54,7 @@ void BinaryStreamBase::alignToBlock( sal_Int32 nBlockSize, sal_Int64 nAnchorPos
 }
 
 BinaryXSeekableStream::BinaryXSeekableStream( const Reference< XSeekable >& rxSeekable ) :
-    BinaryStreamBase( mxSeekable.is() ),
+    BinaryStreamBase( rxSeekable.is() ),
     mxSeekable( rxSeekable )
 {
 }