Fix assertion message.

Fixes issue 4534.

Change-Id: If17d1c835a05df4409e242bd27c52fbc673ccd90
Review-Link: https://gwt-review.googlesource.com/#/c/1730/

Review by: goktug@google.com

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@11454 8db76d5a-ed1c-0410-87a9-c151d255dfc7

user/src/com/google/gwt/user/client/ui/ResizeComposite.java

diff --git a/user/src/com/google/gwt/user/client/ui/ResizeComposite.java b/user/src/com/google/gwt/user/client/ui/ResizeComposite.java
index 7d0bab3..1054249 100644
--- a/user/src/com/google/gwt/user/client/ui/ResizeComposite.java
+++ b/user/src/com/google/gwt/user/client/ui/ResizeComposite.java
@@ -26,7 +26,7 @@
   @Override
   protected void initWidget(Widget widget) {
     assert widget instanceof RequiresResize :
-      "LayoutComposite requires that its wrapped widget implement RequiresResize";
+      "ResizeComposite requires that its wrapped widget implement RequiresResize";
     super.initWidget(widget);
   }