cid#1326523,1326524: Resource leak on an exceptional path

Change-Id: I34016e7124ff33700bb33801145f478ed34e9262

odk/source/com/sun/star/lib/loader/WinRegKey.java

@@ -60,18 +60,28 @@ final class WinRegKey {
             if ( is != null ) {
                 // generate a temporary name for lib file and write to temp
                 // location
-                BufferedInputStream istream = new BufferedInputStream( is );
-                File libfile = File.createTempFile( "unowinreg", ".dll" );
+                File libfile;
+                BufferedInputStream istream = null;
+                BufferedOutputStream ostream = null;
+                try {
+                    istream = new BufferedInputStream( is );
+                    libfile = File.createTempFile( "unowinreg", ".dll" );
                     libfile.deleteOnExit(); // ensure deletion
-                BufferedOutputStream ostream = new BufferedOutputStream(
+                    ostream = new BufferedOutputStream(
                         new FileOutputStream( libfile ) );
                     int bsize = 2048; int n = 0;
                     byte[] buffer = new byte[bsize];
                     while ( ( n = istream.read( buffer, 0, bsize ) ) != -1 ) {
                         ostream.write( buffer, 0, n );
                     }
+                } finally {
+                    if (istream != null) {
                         istream.close();
+                    }
+                    if (ostream != null) {
                         ostream.close();
+                    }
+                }
                 // load library
                 System.load( libfile.getPath() );
             } else {