make tallow task available

git-svn-id: https://svn.apache.org/repos/asf/ant/antlibs/dotnet/trunk@772535 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/org/apache/ant/dotnet/antlib.xml b/src/main/org/apache/ant/dotnet/antlib.xml
index 43de55a..627c743 100644
--- a/src/main/org/apache/ant/dotnet/antlib.xml
+++ b/src/main/org/apache/ant/dotnet/antlib.xml
@@ -33,6 +33,10 @@
     classname="org.apache.ant.dotnet.wix.WixTask"
     />
   <taskdef
+    name="tallow"
+    classname="org.apache.ant.dotnet.wix.TallowTask"
+    />
+  <taskdef
     name="nunit"
     classname="org.apache.ant.dotnet.NUnitTask"
     />