Generate a serialization policy file with only line feeds, for consistent naming across platforms.

Issue: 2257

git-svn-id: https://google-web-toolkit.googlecode.com/svn/releases/1.6@4388 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/src/com/google/gwt/user/rebind/rpc/ProxyCreator.java b/user/src/com/google/gwt/user/rebind/rpc/ProxyCreator.java
index 75615ff..e64f883 100644
--- a/user/src/com/google/gwt/user/rebind/rpc/ProxyCreator.java
+++ b/user/src/com/google/gwt/user/rebind/rpc/ProxyCreator.java
@@ -543,7 +543,8 @@
         JType serializableType = serializableTypes[i];
         String binaryTypeName = sto.getSerializedTypeName(serializableType);
         boolean maybeInstantiated = sto.maybeInstantiated(serializableType);
-        pw.println(binaryTypeName + ", " + Boolean.toString(maybeInstantiated));
+        pw.print(binaryTypeName + ", " + Boolean.toString(maybeInstantiated)
+            + '\n');
       }
 
       // Closes the wrapped streams.