Update to GWT 2.0.3

Change-Id: I790bf8a58e96d316df420d4af55a55f77684737f
Signed-off-by: Shawn O. Pearce <sop@google.com>
diff --git a/pom.xml b/pom.xml
index 7520720..69dd906 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,7 +50,7 @@
     <gwtormVersion>1.1.4</gwtormVersion>
     <gwtjsonrpcVersion>1.2.2</gwtjsonrpcVersion>
     <gwtexpuiVersion>1.2.1</gwtexpuiVersion>
-    <gwtVersion>2.0.2</gwtVersion>
+    <gwtVersion>2.0.3</gwtVersion>
     <slf4jVersion>1.5.8</slf4jVersion>
     <guiceVersion>2.0</guiceVersion>
     <jettyVersion>7.0.1.v20091125</jettyVersion>