Add XML declaration to output generated from <cvschangelog>

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@272175 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/cvslib/ChangeLogWriter.java

@@ -76,6 +76,7 @@ class ChangeLogWriter
     public void printChangeLog( final PrintWriter output,
                                 final CVSEntry[] entries )
     {
+        output.println( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" );
         output.println( "<changelog>" );
         for( int i = 0; i < entries.length; i++ )
         {