Use gwtexpui 1.1.2-SNAPSHOT to fix navigation keys

Reviewed-by: Cedric Beust <cbeust@google.com>
Signed-off-by: Shawn O. Pearce <sop@google.com>
diff --git a/pom.xml b/pom.xml
index 34d80e0..98c9841 100644
--- a/pom.xml
+++ b/pom.xml
@@ -256,7 +256,7 @@
     <jgitVersion>0.5.0</jgitVersion>
     <gwtormVersion>1.1.1</gwtormVersion>
     <gwtjsonrpcVersion>1.1.0</gwtjsonrpcVersion>
-    <gwtexpuiVersion>1.1.1</gwtexpuiVersion>
+    <gwtexpuiVersion>1.1.2-SNAPSHOT</gwtexpuiVersion>
     <gwtVersion>1.6.4</gwtVersion>
     <gwtStyle>OBF</gwtStyle>
   </properties>