Prevent \r\n from being changed to \r\r\n under Windows

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274962 13f79535-47bb-0310-9956-ffa450edef68

WHATSNEW

@@ -216,6 +216,8 @@ Fixed bugs:
 * ftp chmod failed when the remote system was UNIX and local system Windows
   Bugzilla Report 21865.
 
+* replace would change \r\n into \r\r\n under Windows.
+
 Other changes:
 --------------
 * Six new Clearcase tasks added.

src/main/org/apache/tools/ant/taskdefs/Replace.java

@@ -423,9 +423,13 @@ public class Replace extends MatchingTask {
                 // line separators in values and tokens are "\n"
                 // in order to compare with the file contents, replace them
                 // as needed
-                String val = stringReplace(value.getText(), "\n",
+                String val = stringReplace(value.getText(), "\r\n",
+                                           "\n", false);
+                val = stringReplace(val, "\n",
                                            StringUtils.LINE_SEP, false);
-                String tok = stringReplace(token.getText(), "\n",
+                String tok = stringReplace(token.getText(), "\r\n",
+                                            "\n", false);
+                tok = stringReplace(tok, "\n",
                                            StringUtils.LINE_SEP, false);
 
                 // for each found token, replace with value