Update to recent snapshot

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1153397 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 7fc2a1e..4a3d8c0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <parent>
         <groupId>org.apache.sling</groupId>
         <artifactId>sling</artifactId>
-        <version>11-SNAPSHOT</version>
+        <version>12-SNAPSHOT</version>
         <relativePath>../../../parent/pom.xml</relativePath>
     </parent>